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The U.S. Bureau of Economic Statistics reports that the average annual salary in the metropolitan Boston...

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Basic Math

The U.S. Bureau of Economic Statistics reports that the averageannual salary in the metropolitan Boston area is $50,542. Supposeannual salaries in the metropolitan Boston area are normallydistributed with a standard deviation of $4,246. A Boston worker israndomly selected. (Round the values of z to 2 decimal places.Round your answers to 4 decimal places.)

(a) What is the probability that the worker’s annual salary ismore than $60,000?

(b) What is the probability that the worker’s annual salary isless than $42,000?

(c) What is the probability that the worker’s annual salary ismore than $39,000?

(d) What is the probability that the worker’s annual salary isbetween $43,000 and $51,000?

Answer & Explanation Solved by verified expert
4.3 Ratings (725 Votes)
Solution Given thatmean 50542standard deviation 4246a P x 60000 1 P x 60000 1 P x 60000 50542    See Answer
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