Business, 21.07.2020 01:01 mercedesamatap21hx0

The IRS reports that the mean refund for a particular group of taxpayers was $1,600. The distribution of tax refunds follows a normal distribution with a standard deviation of $850. Required:
a. What percentage of the refunds are between $1,600 and $2,000?
b. What percentage of the refunds are between $900 and $2,000?
c. What percentage of the refunds are between $1,800 and $2,000?
d. Ninety-five percent of the refunds are for less than what amount?

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The IRS reports that the mean refund for a particular group of taxpayers was $1,600. The distributio...

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