Population mean-sample sizes

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Assume we draw a simple random sample from a population having a mean of 100 and a standard deviation of 16. What is the probability that a sample mean will be within plus-or-minus two of the population mean for each of the following sample sizes?

(a) n = 50   ____________

(b) n = 100 ____________

(c) n = 200 ____________

(d) n = 400 ____________

Reference no: EM1316315

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