Question
he average hourly wage of plumbers is normally distributed with a population mean of $25.00 and a population standard deviation of $4.00. What percentage of
he average hourly wage of plumbers is normally distributed with a population mean of $25.00 and a population standard deviation of $4.00.
What percentage of plumbers make more than 20 dollars per hour ? ( Round to a whole number)
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Calculus With Applications
Authors: Margaret L Lial, Raymond N Greenwell, Nathan P Ritchey
10th Edition
0321831101, 9780321831101
