. Roby is trying to estimate the difference in the proportion of his male students who on average sleep fewer than 6 hours per night compared with his female students. He selects a random sample of 20 of his 75 male students and finds that 5 of them sleep fewer than 6 hours per night. He selects another random sample of 17 of his 100 female students and finds that 8 of them sleep fewer than 6 hours a night. Check the conditions for constructing a confidence interval for the difference in proportions. Random condition: A) met B) not met C) does not apply 10% condition: A) met B) not met C) does not apply Large Counts condition: A) met B) not met C) does not apply
Mr. Roby is trying to estimate the difference in the proportion of his male students who on average sleep fewer than 6 hours per night compared with his female students. He selects a random sample of 20 of his 75 male students and finds that 5 of them sleep fewer than 6 hours per night. He selects another random sample of 17 of his 100 female students and finds that 8 of them sleep fewer than 6 hours a night.
Check the conditions for constructing a confidence interval for the difference in proportions.
Random condition:
A) met
B) not met
C) does not apply
10% condition:
A) met
B) not met
C) does not apply
Large Counts condition:
A) met
B) not met
C) does not apply
Are all the conditions for inference met?
A) Yes
B) No
C) Not enough information
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