题题Cambridge AssessmentInternational EducationCambridge International AS A LevelCANDIDATENAMECENTRECANDIDATENUMBERNUMBERMATHEMATICS9709/52Paper 5 Probability Statistics 1February/March 20231 hour 15 minutesYou must answer on the question paper.You will need:List of formulae (MF19)INSTRUCTIONSAnswer all questions.Use a black or dark blue pen.You may use an HB pencil for any diagrams or graphs.Write your name,centre number and candidate number in the boxes at the top of the page.Write your answer to each question in the space provided.Do not use an erasable pen or correction fluid.Do not write on any bar codes.If additional space is needed,you should use the lined page at the end of this booklet;the questionnumber or numbers must be clearly shown.You should use a calculator where appropriate.You must show all necessary working clearly;no marks will be given for unsupported answers from acalculator.Give non-exact numerical answers correct to 3 significant figures,or 1 decimal place for angles indegrees,unless a different level of accuracy is specified in the question.INFORMATION.The total mark for this paper is 50.The number of marks for each question or part question is shown in brackets[]This document has 16 pages.Any blank pages are indicated.JC2303970952/2R©UCLES2023[Turn over1 Each year the total number of hours,x,of sunshine in Kintoo is recorded during the month of June.The results for the last 60 years are summarised in the table.30≤x<6060≤x<9090≤x<110110≤x<140140≤x<180180≤x≤240Number814257of years2Draw a cumulative frequency graph to illustrate the data.9709/52FM233(b)Use your graph to estimate the 70th percentile of the data.[2](c)Calculate an estimate for the mean number of hours of sunshine in Kintoo during June over thelast 60 years.........9709/52/FM23[Turn over