In a previous year, 56% of females aged 15 and older lived alone. A sociologist tests whether this percentage is different today by conducting a random sample of 400 females aged 15 and older and finds that 216 are living alone. Is there sufficient evidence at the a= 0.1 level of significance to conclude the proportion has changed? Because npo (1- Po) V 5% of the population size, and the sample v the 10, the sample size is %3D V satisfied. requirements for testing the hypothesis (Round to one decimal place as needed.)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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In a previous year, 56% of females aged 15 and older lived alone. A sociologist tests whether this percentage is different today by conducting a random sample of 400
females aged 15 and older and finds that 216 are living alone. Is there sufficient evidence at the a= 0.1 level of significance to conclude the proportion has changed?
Because npo (1- Po)
10, the sample size is
5% of the population size, and the sample
the
requirements for testing the hypothesis
(Round to one decimal place as needed.)
V satisfied.
Transcribed Image Text:In a previous year, 56% of females aged 15 and older lived alone. A sociologist tests whether this percentage is different today by conducting a random sample of 400 females aged 15 and older and finds that 216 are living alone. Is there sufficient evidence at the a= 0.1 level of significance to conclude the proportion has changed? Because npo (1- Po) 10, the sample size is 5% of the population size, and the sample the requirements for testing the hypothesis (Round to one decimal place as needed.) V satisfied.
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