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7. If 35% of students get refund on their tax return and we ask 25 students...

7. If 35% of students get refund on their tax return and we ask 25 students whether they got refunds on their tax returns or not.

a. Define the random variable X

b. List the values X can take on.

c. Give the distribution of X. X __(______,______)

d. How many of the 25 students would we expect to get refunds?

Math   Statistics-And-Probability   
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