Student loans: The Institute for College Access and Success reported that 65% of college students in a recent year graduated with student loan debt. A random sample of 85 graduates is drawn. Use Cumulative Normal Distribution Table as needed. Round your answers to at least four decimal places if necessary. Part 1 of 6 (a) Find the mean . The mean u is .65 P Part 2 of 6 (b) Find the standard deviation ^. P .0517 The standard deviation o is P

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Student loans: The Institute for College Access and Success reported that 65% of college students in a recent year graduated with student loan debt. A
random sample of 85 graduates is drawn. Use Cumulative Normal Distribution Table as needed. Round your answers to at least four decimal places if
necessary.
Part 1 of 6
(a) Find the mean μ^.
р
The mean μ is .65
р
Part 2 of 6
X
(b) Find the standard deviation o^.
P
The standard deviation o^ is .0517
P
Ś
×
Ś
000
11.9
Transcribed Image Text:Student loans: The Institute for College Access and Success reported that 65% of college students in a recent year graduated with student loan debt. A random sample of 85 graduates is drawn. Use Cumulative Normal Distribution Table as needed. Round your answers to at least four decimal places if necessary. Part 1 of 6 (a) Find the mean μ^. р The mean μ is .65 р Part 2 of 6 X (b) Find the standard deviation o^. P The standard deviation o^ is .0517 P Ś × Ś 000 11.9
(c) Find the probability that less than 57% of the people in the sample were in debt.
The probability that less than 57% of the people in the sample were in debt is .0610
Part 4 of 6
(d) Find the probability that between 60% and 75% of the people in the sample were in debt.
The probability that between 60% and 75% of the people in the sample were in debt is
Part 5 of 6
(e) Find the probability that more than 72% of the people in the sample were in debt.
The probability that more than 72% of the people in the sample were in debt is
Part 6 of 6
×
×
X
Ś
(f) Would it be unusual if less than 56% of people in the sample were in debt?
It (Choose one) be unusual if less than 56% of the people in the sample were in debt, since the probability is
Ś
X
Transcribed Image Text:(c) Find the probability that less than 57% of the people in the sample were in debt. The probability that less than 57% of the people in the sample were in debt is .0610 Part 4 of 6 (d) Find the probability that between 60% and 75% of the people in the sample were in debt. The probability that between 60% and 75% of the people in the sample were in debt is Part 5 of 6 (e) Find the probability that more than 72% of the people in the sample were in debt. The probability that more than 72% of the people in the sample were in debt is Part 6 of 6 × × X Ś (f) Would it be unusual if less than 56% of people in the sample were in debt? It (Choose one) be unusual if less than 56% of the people in the sample were in debt, since the probability is Ś X
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