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e-lub [12.9K]
3 years ago
14

In a random sample of 75 individuals, 52 people said they prefer coffee to tea. 99.7% of the population mean is between 84/80/74

% and 64/58/54%. (Choose the option closest to your answer.)
Mathematics
2 answers:
Dmitriy789 [7]3 years ago
7 0
Using a 1-sample z-interval for the population proportion with confidence level 0.997, the sample probability is 0.69 with margin of error of 0.16, so between 0.69+0.16=0.85 of the population and 0.69-0.16=0.53 of the population prefers coffee.  84% and 54% are the correct answers.
Rashid [163]3 years ago
5 0

The correct answers are

84 and 54

:)

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