Question
A random sample of 15 Rocky Mountain Credit Union checking account balance indicated a sample mean of $1396.60 with a standard deviation of $256.0. A
A random sample of 15 Rocky Mountain Credit Union checking account balance indicated a sample mean of $1396.60 with a standard deviation of $256.0. A 95% confidence interval for the mean checking account balance is (1339.1 to 1642.9). The margin of error for this interval would be 133.8 151.9 125.8 303.8 330.8
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A First Course In Probability
Authors: Sheldon Ross
10th Edition
0134753119, 978-0134753119
