Mathematics 9709/72 — May/June 2016
Cambridge A-Level · Probability & Statistics 2 · worked solutions for every part, with the mark scheme
7
questions
50
marks
75
minutes
Topics Sampling and Estimation · Hypothesis Tests · The Poisson Distribution · Linear Combinations of Random Variables · Continuous Random Variables
Q14MSampling and EstimationFree sample
The length of time, in minutes, taken by people to complete a task has mean 53.0 and standard deviation 6.2. Find the probability that the mean time taken to complete the task by a random sample of 50 people is more than 51 minutes.
The rest of this paper
6 more questions- Q2Hypothesis Tests4M
- Q3Sampling and Estimation5M
- Q4Hypothesis Tests · The Poisson Distribution6M
- Q5Linear Combinations of Random Variables10M
- Q6The Poisson Distribution · Linear Combinations of Random Variables10M
- Q7Continuous Random Variables11M
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