Use the Following Information for Questions:
a Random Sample $\alpha$

Short Answer

Use the following information for questions:
A random sample of 800 high school boys showed that 420 had done strenuous exercise during the past year. The researcher wants to test the hypotheses below for p = the proportion of all high school boys who do strenuous exercise.
H₀: p ≤ 0.50
H_a: p > 0.50
-Are the results statistically significant at a significance level of $\alpha$ = 0.05?