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Please post all the work so I can understand the process! Thanks :) Question 3: The 9-month salaries...

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Statistics

Please post all the work so I can understand the process! Thanks:)

Question 3:

The 9-month salaries at a daycare center are normallydistributed with a mean of $18,000 and a standard deviation of$5,000.

a.

What is the probability that an employee will have a salarybetween $15,520 and $18,480?

b.

What is the probability that an employee will have a salary morethan $19,880?

c.

What is the probability that an employee will have a salary lessthan $28,440?

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SolutionGiven X follows Normal    See Answer
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