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The Salaries of the Employees of a Corporation Are Normally

Question 130

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The salaries of the employees of a corporation are normally distributed with a mean of $25,000 and a standard deviation of $5,000.
a.What is the probability that a randomly selected employee will have a starting salary of at least $31,000?
b.What percentage of employees has salaries of less than $12,200?
c.What are the minimum and the maximum salaries of the middle 95% of the employees?
d.If sixty-eight of the employees have incomes of at least $35,600, how many individuals are employed in the corporation?

Correct Answer:

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a.0.1151
b.0.52%
c.m...

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