Mathematics (AS & A Level) · May / June 2017 · Paper 71 · Question 6
9709
As printed in the paper
The question as text
The number of sports injuries per month at a certain college has a Poisson distribution. In the past the mean has been 1.1 injuries per month. The principal recently introduced new safety guidelines and she decides to test, at the 2% significance level, whether the mean number of sports injuries has been reduced. She notes the number of sports injuries during a 6-month period.
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Show the answer and mark scheme
6(i)[6]
6(ii)[1]
6(iii)[3]
6(iv)[4]
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