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The 9-Month Salaries at a Daycare Center Are Normally Distributed

Question 109

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The 9-month salaries at a daycare center are normally distributed with a mean of $19,000 and a standard deviation of $4,000.
a.What is the probability that an employee will have a salary between $12,520 and $13,480?
b.What is the probability that an employee will have a salary more than $11,880?
c.What is the probability that an employee will have a salary less than $28,440?

Correct Answer:

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a.0.0312
b...

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