A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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The population mean annual salary for flight attendants is $56,275. A random sample of 48 flight attendants is selected from this population. Assume the population standard deviation is $1800. What is the probability that the mean annual salary of the sample is less than $56,100?

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