Mathematics 9709/62 — May/June 2017
Cambridge A-Level · Probability & Statistics 1 (S1) · worked solutions for every part, with the mark scheme
7
questions
50
marks
75
minutes
Topics Representation of Data · Discrete Random Variables · Probability · The Normal Distribution · Permutations and Combinations
Q1Representation of DataFree sample
Rani and Diksha go shopping for clothes.
(i)3M
Rani buys 4 identical vests, 3 identical sweaters and 1 coat. Each vest costs $5.50 and the coat costs $90. The mean cost of Rani's 8 items is $29. Find the cost of a sweater.
(ii)2M
Diksha buys 1 hat and 4 identical shirts. The mean cost of Diksha's 5 items is $26 and the standard deviation is $0. Explain how you can tell that Diksha spends $104 on shirts.
The rest of this paper
6 more questions- Q2Representation of Data6M
- Q3Discrete Random Variables6M
- Q4Probability6M
- Q5The Normal Distribution9M
- Q6Permutations and Combinations9M
- Q7Probability · Discrete Random Variables9M
Loading the full paper…