Mathematics 9709/72 — February/March 2018
Cambridge A-Level · Probability & Statistics 2 · worked solutions for every part, with the mark scheme
7
questions
50
marks
75
minutes
Topics Linear Combinations of Random Variables · Sampling and Estimation · The Poisson Distribution · Hypothesis Tests · Continuous Random Variables
Q13MSampling and EstimationFree sample
is a random variable with mean 4.9 and standard deviation 2.21. A random sample of 75 values of is taken. Find the probability that the sample mean is greater than 5.0.
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6 more questions- Q2The Poisson Distribution · Linear Combinations of Random Variables5M
- Q3Linear Combinations of Random Variables7M
- Q4Linear Combinations of Random Variables · The Poisson Distribution · Hypothesis Tests8M
- Q5Hypothesis Tests8M
- Q6Continuous Random Variables9M
- Q7Sampling and Estimation10M
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