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QUESTION 7 The average annual salary in Pennsylvania was $25,000 in 1992. Assume that salaries were normally distributed for a certain group of wage earners,

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QUESTION 7 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. O a. 0.7486 O b.0.2486 O c. 0.1293 O d.0.3707

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