Mathematics 9709/71 — May/June 2012
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 · Linear Combinations of Random Variables · Hypothesis Tests · The Poisson Distribution · Continuous Random Variables
Q13MSampling and EstimationFree sample
The weights, in grams, of packets of sugar are distributed with mean and standard deviation 23. A random sample of 150 packets is taken. The mean weight of this sample is found to be 494 g. Calculate a 98% confidence interval for .
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6 more questions- Q2Linear Combinations of Random Variables3M
- Q3Hypothesis Tests5M
- Q4Continuous Random Variables7M
- Q5The Poisson Distribution · Sampling and Estimation10M
- Q6Sampling and Estimation · Hypothesis Tests11M
- Q7The Poisson Distribution · Linear Combinations of Random Variables11M
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