A pharmaceutical company advertises that its newest drug will be successful in helping 80% of patients...
A pharmaceutical company advertises that its newest drug will be successful in helping 80% of patients who use it as directed. A consumer advocate group will test to see if there is sufficient evidence that less than 80% will be helped by the new drug. State the null and alternative hypotheses for this test.
Group of answer choices
Ho: p = .80 Ha: p≠.80
Ho: p̂ = .80 Ha: p̂ < .80
Ho: p < .80 Ha: p = .80
Ho: p = .80 Ha: p < .80
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A pharmaceutical company advertises that its newest drug will be
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