5. According to the Boston Globe in 2012, a typical college student graduated with $27,200 of debt. Let debt among recent college graduates be normally distributed with a standard deviation of $7,000. a. Determine the probability that the average debt of four recent college graduates is less than $25,000. Show or explain your thinking. b. Determine the probability that the average debt of four recent college graduates is more than $30,000. Show or explain your thinking.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.5: Comparing Sets Of Data
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5. According to the Boston Globe in 2012, a typical college student graduated with
$27,200 of debt. Let debt among recent college graduates be normally distributed with a
standard deviation of $7,000.
a. Determine the probability that the average debt of four recent college graduates
is less than $25,000. Show or explain your thinking.
b. Determine the probability that the average debt of four recent college graduates
is more than $30,000. Show or explain your thinking.
Transcribed Image Text:5. According to the Boston Globe in 2012, a typical college student graduated with $27,200 of debt. Let debt among recent college graduates be normally distributed with a standard deviation of $7,000. a. Determine the probability that the average debt of four recent college graduates is less than $25,000. Show or explain your thinking. b. Determine the probability that the average debt of four recent college graduates is more than $30,000. Show or explain your thinking.
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