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According to the Census Bureau, 3.34 people reside in the typical American household.
According to the Census Bureau, 3.34 people reside in the typical American household. A sample of 26 households in Arizona retirement communities showed the mean nu,ber of residents per household was 2.70 residents. The standard deviation of this sample was 1.17 residents. At the .10 significance level, is it reasonable to conclude that the mean number of residents in the retirement community household is less than 3.34p persons?
1) State the null hypothesis and alternative hypothesis (round to 2 decimal places)
2)State the decision rule for 0.10 Significance level. (Negative amount should be indicated by a minus sign. Round your answer to 3 decimal places.)
3)Compute the value of the test statistic. (Negative amount should be indicated by a minus sign. Round your answer to 3 decimal places.)
4) Is it reasonable to conclude the mean nu,ber of residents in the retirement community household is less than 3.34 persons?
(Reject/Fail to reject)H0. Mean number if residents(is necessarily/ is not necessarily) less than 3.34 people.
