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akatua777 akatua777
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Over the past several years, the proportion of one-person households has been increasing. The Census Bureau would like to test the hypothesis that the proportion of one-person households exceeds 0.27. A random sample of 125 households found that 43 consisted of one person. The Census Bureau would like to set α = 0.05. Use the critical value approach to test this hypothesis.
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Business Statistics


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longleggedlouilongleggedloui
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Because zp = 1.86 is greater than zα = 1.645, we reject the null hypothesis. Therefore, the Census Bureau can conclude that the proportion of one-person households exceeds 0.27.

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