CAIE S1 2010 November — Question 2

Exam BoardCAIE
ModuleS1 (Statistics 1)
Year2010
SessionNovember
TopicApproximating Binomial to Normal Distribution
TypeProbability between two values
2 On average, 2 apples out of 15 are classified as being underweight. Find the probability that in a random sample of 200 apples, the number of apples which are underweight is more than 21 and less than 35.
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