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A random sample of 100 exam scores is taken from the normally distributed population with unknown mean and a populations standard deviation know and equal
A random sample of 100 exam scores is taken from the normally distributed population with unknown mean and a populations standard deviation know and equal to 3. The sample mean score is 68. Find a 90% confidence interval estimate for the population mean of exam scores
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Calculus I With Integrated Precalculus
Authors: Laura Taalman
1st Edition
1464153027, 9781464153020
