A simple random sample of n = 9 has been collected from a population. The standard deviation of the sample is equal to 10.0.  The sample mean has been calculated as 240.  Construct a 95% Confidence interval for the population mean.    A. 236.42 < µ <243.58   B. 232.31 < µ <247.69  C. 215.00 < µ <225.00  D. 225 .50 < µ < 235.45  E. none of the above

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