Question
The average annual salary in Pennsylvania was $25,000 in 1992. Assume that salaries were normally distributed for a certain group of wage earners, and the
The average annual salary in Pennsylvania was $25,000 in 1992. Assume that salaries were normally distributed for a certain group of wage earners, and the standard deviation of this group was $3,000.
Find the probability that a randomly selected individual earned less than $24,000
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Advanced Engineering Mathematics
Authors: ERWIN KREYSZIG
9th Edition
0471488852, 978-0471488859
