The human resources department of a large Fortune 100 company wants to find out
ID: 3205773 • Letter: T
Question
The human resources department of a large Fortune 100 company wants to find out how
many employees would take advantage of an on dash site day care facility. They send out an
e -mail to 500 employees and receive responses from 454 of them. Of those responding, 99
say that they would take advantage of such a facility.
The proportion is .218
Would you trust a confidence interval for the true proportion based on these data?
A.No, because the 10 % condition is not met.
B. This situation is about a mean,not a proportion.
C. Yes, because all the conditions seem to be met.
D.No ,because there may be bias in the sample.
I have already pick D but that is wrong so I don't know what the answer could be
Explanation / Answer
C. Yes, because all conditions seems to be met.
10% condition states that sample size should be less than 10% of population, which seems to be correct as its large Fortune 100 Company, also non-response sample is mentioned, hence bias is removed from sample. Hence correct answer is C
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