Asked by Anonymous
The number of hours that college students sleep on a week night is approximated by a normal curve with a mean of 7 hours and a standard deviation of 1.7 hours. Answer the question below using a z table:
About what proportion of students sleep less than 5 hours on a week night? (round to whole number)
About 16%
About 24%
About 12%
About 32%
About what proportion of students sleep less than 5 hours on a week night? (round to whole number)
About 16%
About 24%
About 12%
About 32%
Answers
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