CAIE S1 2011 November — Question 1

Exam BoardCAIE
ModuleS1 (Statistics 1)
Year2011
SessionNovember
TopicApproximating Binomial to Normal Distribution
TypeSingle probability inequality

1 When a butternut squash seed is sown the probability that it will germinate is 0.86 , independently of any other seeds. A market gardener sows 250 of these seeds. Use a suitable approximation to find the probability that more than 210 germinate.