Question
A student conducted a study and reported that the 95 percent confidence interval for the mean ranged from 46 to 54. He was sure that
A student conducted a study and reported that the 95 percent confidence interval for the mean ranged from 46 to 54. He was sure that the mean of the sample was 50, that the standard deviation of the sample was 16, and that the sample was at least 30, but could not remember the exact number. Can you help him out?
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Essentials Of College Algebra
Authors: Margaret L Lial, John E Hornsby, David I Schneider, Teresa McGinnis
10th Edition
0321970632, 9780321970633
