The average income tax refund for the 2009 tax year was

$32193219.

Assume the refund per person follows the normal probability distribution with a standard deviation of

$985985.

Complete parts a through d below.

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Part 1

a. What is the probability that a randomly selected tax return refund will be more than

$22002200?

0.84960.8496

(Round to four decimal places as needed.)

Part 2

b. What is the probability that a randomly selected tax return refund will be between

$16001600

and

$24002400?