Question

An opinion poll asked a random sample of adults whether they believe flu shots are ineffective in the United States. A commentator believes less than 35% of all adults believe they are ineffective. Which null and alternative hypotheses should be used to test this claim?

A) H0: p ≠ 0.35, Ha: p < 0.35

B) H0: p = 0.35, Ha: p < 0.35

C) H0: p = 0.35, Ha: p ≠ 0.35

D) H0: p < 0.35, Ha: p = 0.35

E) H0: p = 0.35, Ha: p > 0.35

Answer 1

hypothesis:-

[ explanation:-

we know that, the null hypothesis always contains the equal to (or less than equal to , or greater than equal to sign )

the alternative hypothesis will contain the less than (or greater than or not equal to sign)...here, the claim ,i.e, the proportion is less than 0.35 is the alternative hypothesis. ]

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