Test Hypotheses about a Population Proportion
-Test the claim that $\sigma ^ { 2 } \leq 28.8$ if $\mathrm { n } = 20 , \mathrm {~s} ^ { 2 } = 55.8$, and $\alpha = 0.01$. Assume that the population is normally distributed.

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The Answer of Test Hypotheses about a Population Proportion
-Test the claim that $\sigma ^ { 2 } \leq 28.8$ if $\mathrm { n } = 20 , \mathrm {~s} ^ { 2 } = 55.8$, and $\alpha = 0.01$. Assume that the population is normally distributed.

Test Hypotheses About a Population Proportion -Test the Claim That σ2≤28.8\sigma ^ { 2 } \leq 28.8σ2≤28.8

Test Hypotheses About a Population Proportion
-Test the Claim That $\sigma ^ { 2 } \leq 28.8$