Question
The average weekly earnings of bus drivers in a city are $815 (that is ) and the standard deviation is $45 (that is ). A
The average weekly earnings of bus drivers in a city are $815 (that is) and the standard deviation is $45 (that is ). A sample of 38bus drivers is selected and this is small compared to the population. What is the probability that the sample mean will be between $808.8 and $813.9?
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Foundations Of Mathematical Analysis
Authors: Richard Johnsonbaugh, WE Pfaffenberger
1st Edition
0486134776, 9780486134772
