Use the Following Information for Questions

Use the following information for questions:
A random sample of 850 high school girls showed that 400 had done strenuous exercise over the past year. The researcher wants to test the hypotheses below for p = the proportion of all high school girls who do strenuous exercise.
H₀: p ≥ 0.50
H_a: p < 0.50
-State the null hypothesis (H₀) and the alternative hypothesis (H_a) in words.

Correct Answer:

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Null hypothesis: At least 50% ...

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