The Institute for College Access and Success reported that 68% of college students in a recent year

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The Institute for College Access and Success reported that 68% of college students in a recent year graduated with student loan debt. A random sample of 85 graduates is drawn.

a. Find the mean μp̂.

b. Find the standard deviation σp̂.

c. Find the probability that less than 60% of the people in the sample were in debt.

d. Find the probability that between 65% and 80% of the people in the sample were in debt.

e. Find the probability that more than 75% of the people in the sample were in debt.

f. Would it be unusual if less than 65% of the people in the sample were in debt?

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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Question Posted: May 06, 2024 12:00 PM

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The Institute for College Access and Success reported that 68% of college students in a recent year

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Elementary Statistics

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