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SOLVED: According to the Census Bureau; 3.13 people reside in the typical American household / sample of 25 households in Arizona retirement communities showed the mean number = residents per household was 2.86 residents. The standard deviation of this sample was 1.20 residents. At the .05 significance level, is it reasonable to conclude the mean numte residents in the retirement community household is less than 3.13 persons?

SOLVED: According to the Census Bureau, 3.13 people reside in thetypical American household. A sample of 25 households in Arizonaretirement communities showed the mean number of residents perhousehold was 2.86 residents. The standard deviation of this samplewas 1.20 residents. At the 0.05 significance level, is itreasonable to conclude the mean number of residents in theretirement community household is less than 3.13 persons?a. State the null hypothesis and the alternate hypothesis.(Round your