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Toll Brothers is a luxury home builder that would like to test the hypothesis that the...

Toll Brothers is a luxury home builder that would like to test the hypothesis that the average size of new homes exceeds 2,400 square feet. A random sample of 36 newly constructed homes had an average of 2,510 square feet. Assume that the standard deviation of the size for all newly constructed homes is 480 square feet. Toll Brothers would like to set a=0.02. Use critical sample mean approach to test this hypothesis.

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Null hypothesis: H0 : μ 2400 Alternative hypothesis HI , щ > 2400 Test statistic: x_μ 2510-2400 401.375 Critical value: The r

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