Test Hypotheses about a Population Proportion
-A recent study claimed that at least $15 \%$ of junior high students are overweight. In a sample of 160 students, 18 were found to be overweight. At $\alpha = 0.05$, test the claim.

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The Answer of Test Hypotheses about a Population Proportion
-A recent study claimed that at least $15 \%$ of junior high students are overweight. In a sample of 160 students, 18 were found to be overweight. At $\alpha = 0.05$, test the claim.

Test Hypotheses About a Population Proportion -A Recent Study Claimed 15%15 \%15%

Test Hypotheses About a Population Proportion
-A Recent Study Claimed $15 \%$