What is the probability that the sample mean

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Using the CLT, how can we prove that a sample size of 150 from a population with a mean of 3 and population variance of 30 will have sample mean no more than 1.75? Further, let us assume that we run our study 15 times (IID with sample size of 150), what is the probability that the sample mean will have error greater than 1.3?

Reference no: EM132402456

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