In a previous year, 53% of females aged 15 and older lived alone. A sociologist tests whether this percentage is different today by conducting a random sample of 500 females aged 15 and older and finds that 267 are living alone. Is there sufficient evidence at the a = 0.05 level of significance to conclude the proportion has changed? the Because npo (1- Po) = 10, the sample size is v 5% of the population size, and the sample v satisfied. equirements for testing the hypothesis Round to one decimal place as needed.)

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In a previous year, 53% of females aged 15 and older lived alone. A sociologist tests whether this percentage is different today by conducting a random sample of
500 females aged 15 and older and finds that 267 are living alone. Is there sufficient evidence at the a = 0.05 level of significance to conclude the proportion has
changed?
the
v 5% of the population size, and the sample
Because npo (1- Po) = | 10, the sample size is
v satisfied.
requirements for testing the hypothesis
(Round to one decimal place as needed.)
Transcribed Image Text:In a previous year, 53% of females aged 15 and older lived alone. A sociologist tests whether this percentage is different today by conducting a random sample of 500 females aged 15 and older and finds that 267 are living alone. Is there sufficient evidence at the a = 0.05 level of significance to conclude the proportion has changed? the v 5% of the population size, and the sample Because npo (1- Po) = | 10, the sample size is v satisfied. requirements for testing the hypothesis (Round to one decimal place as needed.)
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