CAIE S2 2014 June — Question 1

Exam BoardCAIE
ModuleS2 (Statistics 2)
Year2014
SessionJune
TopicApproximating the Binomial to the Poisson distribution
TypeCalculate single probability using Poisson approximation
1 On average 1 in 25000 people have a rare blood condition. Use a suitable approximating distribution to find the probability that fewer than 2 people in a random sample of 100000 have the condition.
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