CAIE S2 2007 June — Question 1

Exam BoardCAIE
ModuleS2 (Statistics 2)
Year2007
SessionJune
TopicLinear combinations of normal random variables
TypeNon-normal population sample mean (CLT)
1 The random variable \(X\) has the distribution \(\mathrm { B } ( 10,0.15 )\). Find the probability that the mean of a random sample of 50 observations of \(X\) is greater than 1.4.
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