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IrinaK
23 days ago
8

The 2015 American Time Use survey contains data on how many minutes of sleep per night each of 10,900 survey participants estima

ted they get. The times follow the Normal distribution with mean 529.9 minutes and standard deviation 135.6 minutes. An SRS of 100 of the participants has a mean time of x¯=514.4 minutes. A second SRS of size 100 has mean x¯=539.3 minutes. After many SRSs, the values of the sample mean x¯ follow the Normal distribution with mean 529.9 minutes and standard deviation 13.56 minutes.
What is the population?

A. The population is 135.6 million respondents to the American Time Use Survey.
B. The population is the 100 participants in the SRS.
C. The population is the 10,900 respondents to the American Time Use Survey.
D. The population is all Americans who sleep through the night.
Business
1 answer:
stepan [3.2K]23 days ago
7 0

The respondents in the American Time Use Survey comprised a total of 10,900 participants.

Explanation & Solution:

Statistics suggest that numerous findings with comparable characteristics pertain to the population in question.

A sample refers to a subset derived from the larger group.

"The American Time Utilization survey of 2015 details how many minutes of rest each of the 10,900 surveyed respondents claim to receive nightly.

An SRS of 100 individuals (a simple random sample) reveals an average of x = 514.4 minutes.

The U.S. Time Utilization Survey includes 10,900 total participants.

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