A national study found 64% of students attend nearly every one of their classes. How does this compare with students at Howard Community College? A random sample of 120 students found 82 of them do attend nearly every class. Is this sample evidence HCC students come to class more than the national average? a) Is a confidence interval appropriate based on this sample? Explain your answer. b) Regardless of your answer to a, determine a 96% confidence interval. Calculator Command and Input: Interval:

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
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A national study found 64% of students attend nearly every one of
their classes. How does this compare with students at Howard
Community College? A random sample of 120 students found 82 of
them do attend nearly every class. Is this sample evidence HCC
students come to class more than the national average?
a) Is a confidence interval appropriate based on this sample? Explain
your answer.
b) Regardless of your answer to a, determine a 96% confidence
interval.
Calculator Command and Input:
Interval: (
c) Are HCC students coming to class more than the national average
based on your interval? Explain your answer.
Transcribed Image Text:A national study found 64% of students attend nearly every one of their classes. How does this compare with students at Howard Community College? A random sample of 120 students found 82 of them do attend nearly every class. Is this sample evidence HCC students come to class more than the national average? a) Is a confidence interval appropriate based on this sample? Explain your answer. b) Regardless of your answer to a, determine a 96% confidence interval. Calculator Command and Input: Interval: ( c) Are HCC students coming to class more than the national average based on your interval? Explain your answer.
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