Pearson Edexcel Centre Number Candidate Number - Homework
Write your name hereSurnameOther namesPearson EdexcelLevel 3 GCECentre NumberMathematicsCandidate NumberSolutionsAdvancedPaper 3: Statistics and MechanicsSample Assessment Material for first teaching September 2017Time: 2 hoursPaper Reference9MA0/03You must have:Mathematical Formulae and Statistical Tables, calculatorTotal MarksCandidates may use any calculator permitted by Pearson regulations.Calculators must not have the facility for algebraic manipulation,differentiation and integration, or have retrievable mathematicalformulae stored in them.Instructionsblack ink or ball-point pen. UseIf pencil is used for diagrams/sketches/graphs it must be dark (HB or B).in the boxes at the top of this page with your name, Fillcentre number and candidate number.are two sections in this question paper. Answer all the questions in ThereSection A and all the questions in Section B.the questions in the spaces provided Answer– there may be more space than you need.should show sufficient working to make your methods clear. YouAnswers without working may not gain full credit. Answers should be given to three significant figures unless otherwise stated.Informationbooklet ‘Mathematical Formulae and Statistical Tables’ is provided. AThereare 10 questions in this question paper. The total mark for this paper is 100.Themarkseach question are shown in brackets – use this asfora guideas to how much time to spend on each question.Adviceeach question carefully before you start to answer it. ReadTry to answer every question.your answers if you have time at the end. CheckIf you change your mind about an answer cross it out and put your newanswer and any working out underneath.S54261A 2017 Pearson Education Ltd.1/1/1/1/1/1/1/Turn over*S54261A0125*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 201797
SECTION A: STATISTICS1. The number of hours of sunshine each day, y, for the month of July at Heathrow aresummarised in the table below.6.52.5MidptHours0Frequencyy 51259.5y 88y 1168A histogram was drawn to represent these data. The 8by a bar of width 1.5 cm and height 8 cm.(a) Find the width and the height of the 01311.511y 12123y 142y 11 group was representedDO NOT WRITE IN THIS AREAAnswer ALL questions. Write your answers in the spaces provided.y 5 group.(3)(b) Use your calculator to estimate the mean and the standard deviation of the number ofhours of sunshine each day, for the month of July at Heathrow.Give your answers to 3 significant figures.The mean and standard deviation for the number of hours of daily sunshine for the samemonth in Hurn are 5.98 hours and 4.12 hours respectably.Thomas believes that the further south you are the more consistent should be the numberof hours of daily sunshine.(c) State, giving a reason, whether or not the calculations in part (b) support Thomas’belief.(2)(d) Estimate the number of days in July at Heathrow where the number of hours ofsunshine is more than 1 standard deviation above the mean.DO NOT WRITE IN THIS AREA(3)(2)Helen models the number of hours of sunshine each day, for the month of July atHeathrow by N(6.6, 3.72).(2)(f) Use your answers to part (d) and part (e) to comment on the suitability of per298*S54261A0225*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 2017DO NOT WRITE IN THIS AREA(e) Use Helen’s model to predict the number of days in July at Heathrow when thenumber of hours of sunshine is more than 1 standard deviation above the mean.
DO NOT WRITE IN THIS AREAQuestion 1 continuedO E12 observations5hasgroupya12x18cm1.5cmwidthwidth of 31.50.5cmunitSoperof5 0.55O2.5cmwidthEyof 07.2cmDO NOT WRITE IN THIS AREAHeightIEyes2 5Ito 36.63calcBybSfhrsto 3 S f3.69 hrsTxNofurtherCSouth than HeathrowisHurnHurnyetthe standard deviation atof 4.12 hrsdeviation atthan thegreaterDO NOT WRITE IN THIS AREAstandardisHeathrowof 3.69 hrsvariationHeathrowat Hunn thanmoreddeviationmean t 1 standard6.633.69t10.32 hrs(Total for Question 1 is 13 marks)*S54261A0325*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 2017399Turn over
Estimated11days above10.32xg810.323tthrs6.81 day2Ie66.3.72XvNPX 710.320.15735Predicted days0.15735314.885f5 dayssomodelCmaydaysdays7 daysnotbesuitable7 days
011The meteorologist calculated the product moment correlation coefficient for the 9 daysand obtained r 0.609(a) Explain why a linear regression model based on these data is unreliable on a daywhen the mean temperature is 24 C(1)DO NOT WRITE IN THIS AREA2. A meteorologist believes that there is a relationship between the daily mean windspeed, w kn,and the daily mean temperature, t C. A random sample of 9 consecutive days is taken frompast records from a town in the UK in July and the relevant data is given in the table below.(b) State what is measured by the product moment correlation coefficient.(1)(c) Stating your hypotheses clearly test, at the 5% significance level, whether or not theproduct moment correlation coefficient for the population is greater than zero.Using the same 9 days a location from the large data set gave t 27.2 and w 3.5(d) Using your knowledge of the large data set, suggest, giving your reason, the locationthat gave rise to these statistics.(1)aof the available data24 C is outside therangeis unreliable as theExtrapolatingrelationshipoutside thismay changerangeDO NOT WRITE IN THIS AREA(3)variablescorrelationabetween the twolinearHo pHopfor samplecriticallevelSig5size 9value0.58220.609Horeject70.5822so4100evidence to suggest pm ccO*S54261A0425*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 2017DO NOT WRITE IN THIS AREASample size 9oc
DO NOT WRITE IN THIS AREAQuestion 2 continuedWarmer thandUKNot Perthis winter becauseBeijingDO NOT WRITE IN THIS AREAschemesuggestslow wind speedand this is suggestedisitinlandbyDO NOT WRITE IN THIS AREA(Total for Question 2 is 6 marks)*S54261A0525*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 20175101Turn over
3. A machine cuts strips of metal to length L cm, where L is normally distributed withstandard deviation 0.5 cm.Given that 2.5% of the cut lengths exceed 50.98 cm,(a) find the probability that a randomly chosen strip of metal can be used.(5)Ten strips of metal are selected at random.(b) Find the probability fewer than 4 of these strips cannot be used.(2)DO NOT WRITE IN THIS AREAStrips with length either less than 49 cm or greater than 50.75 cm cannot be used.A second machine cuts strips of metal of length X cm, where X is normally distributedwith standard deviation 0.6 cmA random sample of 15 strips cut by this second machine was found to have a meanlength of 50.4 cmNfrXEao1.960Io0.975o2.5 0xZDO NOT WRITE IN THIS AREA(c) Stating your hypotheses clearly and using a 1% level of significance, test whether or notthe mean length of all the strips, cut by the second machine, is greater than 50.1 cm(5)orX50.98KZ TZ1.960MM50.98 1.960 0.5M50MX0.52N 50P 49calcByL XL 50.750.91046102*S54261A0625*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 2017DO NOT WRITE IN THIS AREAK25
DO NOT WRITE IN THIS AREAQuestion 3 continuedPlcannot0.91040.0896be usedYB10 0.0896PBy42 30.9913cale62XcN 50.1 O1levelHosig50.1µlength ofµstrips cut by secondIt p 750.1DO NOT WRITE IN THIS AREAmeanmachineIN50.119 12PII350.40.0264not enough evidence to suggestHoAcceptmean50.1cmlengthDO NOT WRITE IN THIS AREA(Total for Question 3 is 12 marks)*S54261A0725*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 20177103Turn over
4. Given thatP(B) 0.45andP(A B) 0.13find(a) P(A′ B′)(2)(b) Explain why the events A and B are not independent.(1)The event C has P(C) 0.20The events A and C are mutually exclusive and the events B and C are statistically independent.DO NOT WRITE IN THIS AREAP(A) 0.35(c) Draw a Venn diagram to illustrate the events A, B and C, giving the probabilities foreach region.(5)(d) Find P( [B C ]′)(2)najII0.33055O GA IBPDO NOT WRITE IN THIS AREAaPbAPCB0.450.35to 1301575P ANB5 A and B arenot 25*0.44Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 2017DO NOT WRITE IN THIS AREA
5. A company sells seeds and claims that 55% of its pea seeds germinate.(1)A random selection of the pea seeds is planted in 10 trays with 24 seeds in each tray.(b) Assuming that the company’s claim is correct, calculate the probability that in at leasthalf of the trays 15 or more of the seeds germinate.(3)(c) Write down two conditions under which the normal distribution may be used as anapproximation to the binomial distribution.(1)DO NOT WRITE IN THIS AREA(a) Write down a reason why the company should not justify their claim by testing all thepea seeds they produce.A random sample of 240 pea seeds was planted and 150 of these seeds germinated.(d) Assuming that the company’s claim is correct, use a normal approximation to find theprobability that at least 150 pea seeds germinate.(3)(1)awould have nonetoleftsellTheybEachTrayXB24 0.55PP XEI14X 15DO NOT WRITE IN THIS AREA(e) Using your answer to part (d), comment on whether or not the proportion of thecompany’s pea seeds that germinate is different from the company’s claim of 55%I0.7009All TraysB10 0.2991yyeaY sPIPI0.85130 148710106*S54261A01025*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 2017DO NOT WRITE IN THIS AREA0.2991
DO NOT WRITE IN THIS AREAQuestion 5 continuednumber of trialsmust belargecnmust be reasonablyprobabilitypof successclose to0.5FpXn N0.55d240Varripnpq 59.4Xx132EDO NOT WRITE IN THIS AREAApproximate with7132,157.47NP xP 7 149.5eisoPcalc0.0116By47149.5d5sig level testZEDO NOT WRITE IN THIS AREA0.0116 Lto suggestThere is nttheof 55company's claim(Total for Question 5 is 9 marks)TOTAL FOR SECTION A IS 50 MARKS*S54261A01125*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 201711107Turn over
SECTION B: MECHANICSUnless otherwise indicated, whenever a numerical value of g is required, take g 9.8 m s–2and give your answer to either 2 significant figures or 3 significant figures.6. At time t seconds, where t0, a particle P moves so that its acceleration a m s–2 is given by1a 5ti – 15t 2 jWhen t 0, the velocity of P is 20i m s–1Find the speed of P when t 4IEEE(6)DO NOT WRITE IN THIS AREAAnswer ALL questions. Write your answers in the spaces provided.aEateeDO NOT WRITE IN THIS AREAEoefgYfwhentI12108*S54261A01225*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 2017DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREAQuestion 6 continuedtovoSpeed1642tI OO m sDO NOT WRITE IN THIS AREADO NOT WRITE IN THIS AREA(Total for Question 6 is 6 marks)*S54261A01325*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 201713109Turn over
7. A rough plane is inclined to the horizontal at an angle , where tan DO NOT WRITE IN THIS AREA3.4A particle of mass m is placed on the plane and then projected up a line of greatest slopeof the plane.The coefficient of friction between the particle and the plane is µ.The particle moves up the plane with a constant deceleration of4g.5(a) Find the value of µ.(6)The particle comes to rest at the point A on the plane.(b) Determine whether the particle will remain at A, carefully justifying your answer.(2)R mgcosaatrImgsino IsinsELY costCan a5N 2Lup slopemf EgsinceMRmgDO NOT WRITE IN THIS 61A01425*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 2017DO NOT WRITE IN THIS AREAng
DO NOT WRITE IN THIS AREAQuestion 7 continuedeErreoParticleremain at AbwillmAfriction 3if limitingmgsinxIfSindcostmgLying15E4EIDO NOT WRITE IN THIS AREAParticle willback down slopemovesinslimitingfrictional forcemysinceDO NOT WRITE IN THIS AREA(Total for Question 7 is 8 marks)*S54261A01525*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 201715111Turn over
8. [In this question i and j are horizontal unit vectors due east and due north respectively]The boat is modelled as a particle.At time t 0, the boat is at the fixed point O and is moving due north with speed 0.6 m s–1.Relative to O, the position vector of the boat at time t seconds is r metres.At time t 15, the velocity of the boat is (10.5i – 0.9j) m s–1.The acceleration of the boat is constant.(a) Show that the acceleration of the boat is (0.7i – 0.1j) m s–2.(2)DO NOT WRITE IN THIS AREAA radio controlled model boat is placed on the surface of a large pond.(b) Find r in terms of t.(2)(c) Find the value of t when the boat is north-east of O.(3)(3)aAttfoOooIetyItaDO NOT WRITE IN THIS AREA(d) Find the value of t when the boat is moving in a north-east foo*S54261A01625*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 2017DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREAQuestion 8 continuedEttattbIItttzf.ciEtf8irIEEo.osEfoDO NOT WRITE IN THIS AREA0.3551t O Gt 0.05 EIjNorthEast of 0 when0.3ft0.6 E O 05T4th0.6 t toOC0.4 Eoo 6t1.5 sOIO4DO NOT WRITE IN THIS AREAE1.5sdEast0.6O ItwhenNorth0.7 EMoving110.8Tt0.6170E ooo.dzt(Total for Question 8 is 10 marks)*S54261A01725*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 201717113Turn over
9.I4C andsina2aRACosaaI2I5293529APFigureVw1A uniform ladder AB, of length 2a and weight W, has its end A on rough horizontal ground.1The coefficient of friction between the ladder and the ground is .4The end B of the ladder is resting against a smooth vertical wall, as shown in Figure 1.The ladder rests in equilibrium in a vertical plane perpendicular to the wall and makes an5.angle with the horizontal ground, where tan2The builder is modelled as a particle and the ladder is modelled as a uniform rod.(a) Show that the reaction of the wall on the ladder at B has magnitude 3W.(5)(b) Find, in terms of W, the range of possible values of P for which the ladder remains inequilibrium.DO NOT WRITE IN THIS AREAA builder of weight 7W stands at the top of the ladder.To stop the ladder from slipping, the builder’s assistant applies a horizontal force ofmagnitude P to the ladder at A, towards the wall.The force acts in a direction which is perpendicular to the wall.DO NOT WRITE IN THIS AREAµ47WBRB(5)Often in practice, the builder’s assistant will simply stand on the bottom of the ladder.(c) Explain briefly how this helps to stop the ladder from slipping.(3)MomentsAaaboutxWacosx t 7W ZacosaRB 2asind15WRBx2asinda cost15W2Rrstand15W2RBxIZ18114*S54261A01825*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 2017DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREAQuestion 9 continued15W5RBRBbMax friction2W8Wp RnMxPFriction3WPWeIffrictionP 3W thenwill bewall upacting awayto a maximum of 2WfromDO NOT WRITE IN THIS AREAP E5W2Wt3wE P E5WWladder increases normalcStanding on bottom offriction p RaSinceRathis increases the available limiting frictionalreaction atAmaxforceDO NOT WRITE IN THIS AREAMoments about A showsRB unchangedstill onlyforce required3W horizontalso*S54261A01925*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 201719115Turn over
Question 9 continuedDO NOT WRITE IN THIS AREADO NOT WRITE IN THIS AREA20116*S54261A02025*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 2017DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREAQuestion 9 continuedDO NOT WRITE IN THIS AREADO NOT WRITE IN THIS AREA(Total for Question 9 is 13 marks)*S54261A02125*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 201721117Turn over
10.C and I4UmssixIOSL45518 mS36 mDO NOT WRITE IN THIS AREAOSea levelFigure 2The stone hits the sea at the point S which is at a horizontal distance of 36 m from the foot ofthe cliff, as shown in Figure 2.The stone is modelled as a particle moving freely under gravity with g 10 m sFind(a) the value of U,(6)DO NOT WRITE IN THIS AREAA boy throws a stone with speed U m s from a point O at the top of a vertical cliff.The point O is 18 m above sea level.3.The stone is thrown at an angle above the horizontal, where tan4(b) the speed of the stone when it is 10.8 m above sea level, giving your answer to2 significant figures.(5)(c) Suggest two improvements that could be made to the model.(2)UgtEataygoµHitsseu5ft 18usinatOyo55ut18 0Is22118*S54261A02225*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 2017DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREAQuestion 10 continuedUcosatx36ut45uESos for ut in5th01845EZto275185 EZ45DO NOT WRITE IN THIS AREAtCa345UIE5tU315mst 18usina t5 Eby5thwhen1 1815t10.825g 10.810.85t9t t 18DO NOT WRITE IN THIS AREA5E2at7.20E6CCaleby2.41515lot10VyUy32.4U cost12ms15kVo*S54261A02325*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 201723119Turn over
Question 10 continued19.2msC 1551 122fspeedresistancecConsider airDO NOT WRITE IN THIS AREAt19msDO NOT WRITE IN THIS AREA24120*S54261A02425*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 2017DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREAQuestion 10 continuedDO NOT WRITE IN THIS AREADO NOT WRITE IN THIS AREA(Total for Question 10 is 13 marks)TOTAL FOR SECTION B IS 50 MARKSTOTAL FOR PAPER IS 100 MARKS*S54261A02525*Pearson Edexcel Level 3 Advanced GCE in Mathematics – Sample Assessment Materials –Issue 1 – April 2017 Pearson Education Limited 201725121
Centre Number Candidate Number Write your name here Surname Other names Total Marks Paper Reference S54261A 2017 Pearson Education Ltd. 1/1/1/1/1/1/1/ *S54261A0125* Mathematics . Pearson Edexcel Level 3 GCE Turn over Candidates may use any calculator permitted by Pearson regulations.
Centre Number Candidate Number Write your name here Surname Other names Total Marks Paper Reference S54261A 2017 Pearson Education Ltd. 1/1/1/1/1/1/1/ *S54261A0125* Mathematics . Pearson Edexcel Level 3 GCE Turn over Candidates may use any calculator permitted by Pearson regulations.
Pearson Edexcel International Advanced Level P56147A *P56147A0128* 2019 Pearson Education Ltd. 1/1/1/1/1/ Turn over Instructions Use black ink or ball‑point pen. Fill in the boxes at the top of this page with your name, centre number and candidate number. Answer all questions. Answer the questions in the spaces provided
Edexcel GCSE You do not need any other materials. Centre Number Candidate Number Write your name here Surname Other names Total Marks Sample Assessment Material Paper Reference Time: 1 hour Turn over Instructions tt Use black ink or ball-point pen. Fill in the boxes at the top of this page with your name, centre number and candidate number.t t .
Centre Number Candidate Number Write your name here Surname Other names Total Marks Paper Reference Turn over Sample assessment material for first teaching September 2017 Time: 1 hour 15 minutes Instructions Use black ink or ball-point pen. Fill in the boxes at the top of this page with your name, centre number and candidate number.
Centre Number Candidate Number Write your name here Surname Other names Total Marks 6686/01 Wednesday 28 June 2017 – Morning Paper Reference Time: 1 hour 30 minutes P49069A 2017 Pearson Education Ltd. 1/1/1/ *P49069A0124* Pearson Edexcel GCE Statistics S4 Advanced/Advanced Subsidiary Turn over
Pearson Edexcel A level Economics Student Textbook 592pp 9781510449596 36.99 Summer 2019 Pearson Edexcel A level Economics Student eTextbook 9781510450011 1 year: 9.25; 2 year: 14.75; 3 year: 22.20 Summer 2019 Pearson Edexcel A level Economics Whiteboard eTextbook 9781510450028 Small school: 50 /
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