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 ag 15 and older and finds that 214 are living alone. Is there sufficient evidence at the a=0.05 level of significance to conclude the proportion has changed? Because npo (1-Po) hypothesis satisfied. (Round to one decimal place as needed.) 10, the sample size is CIEP 5% of the population size, and the sample a random sample, all of the requirements for testing the

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 ag
15 and older and finds that 214 are living alone. Is there sufficient evidence at the a=0.05 level of significance to conclude the proportion has changed?
Because npo (1-Po)
hypothesis
▼satisfied.
(Round to one decimal place as needed.)
10, the sample size is
5% of the population size, and the sample
a random sample, all of the requirements for testing the
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 ag 15 and older and finds that 214 are living alone. Is there sufficient evidence at the a=0.05 level of significance to conclude the proportion has changed? Because npo (1-Po) hypothesis ▼satisfied. (Round to one decimal place as needed.) 10, the sample size is 5% of the population size, and the sample a random sample, all of the requirements for testing the
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