Mathematics, 08.04.2020 03:12 dancemomsrule1
A study on students drinking habits wants to determine the true average number of alcoholic drinks all UF male students have in a one week period. We know from preliminary studies that the standard deviation is around 5. How many students should be sampled to be within 1 drink of the population mean with 95% probability? Group of answer choicesA. 49 B. 97 C. 25 D. 10
Answers: 3
level, that is the subtraction of 1 by the confidence interval divided by 2. So:
.
, so 
is the standard deviation of the population and n is the size of the sample.
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A study on students drinking habits wants to determine the true average number of alcoholic drinks a...
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