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

Short Answer

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.