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A sample of 148 college students reports sleeping an average of 6.85 hours on weeknights, with a margin of error of 0.35 hours. Based on this information, identify each of the following as plausible or not for the average amount of sleep college students get on weeknights.
-7.5 hours
A) Plausible
B) Not plausible

Question

Use the following 
A sample of 148 college students reports sleeping an average of 6.85 hours on weeknights, with a margin of error of 0.35 hours. Based on this information, identify each of the following as plausible or not for the average amount of sleep college students get on weeknights.
-7.5 hours
A) Plausible
B) Not plausible

Quizplus · Accepted Answer

The plausible range for the average amount of sleep is 6.85 ± 0.35 hours, which is 6.5 to 7.2 hours. Since 7.5 hours is outside this range, it is not plausible.

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