The mean salary for nurses on Statistic Island (made-up place) hospitals

The mean salary for nurses on Statistic Island (made-up place) hospitals
is $62,497. The standard deviation is $7,250. Assume that the salary is normally distributed.
a.) State the random variable.
b.) Find the probability that a nurse will make more than $65,000.
c.) Find the probability that a nurse will make less than $60,000.
d.) Find the probability that a nurse will make between $62,000 and $65,500.
e.) If a nurse made more than $76,000, would you think the nurse was overpaid? Why or why not?

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