A hypothesis test is to be performed. State the null and alternative hypotheses.During one flu epidemic the proportion of adults nationwide who have come down with the flu is 8%. The manufacturer of a flu vaccine claims that those who have been vaccinated are less likely to catch the flu.

A. Null hypothesis: proportion of those vaccinated catching the flu = 8%
Alternative hypothesis: proportion of those vaccinated catching the flu < 8%
B. Null hypothesis: proportion of those vaccinated catching the flu = 8%
Alternative hypothesis: proportion of those vaccinated catching the flu ? 8%
C. Null hypothesis: proportion of those vaccinated catching the flu < 8%
Alternative hypothesis: proportion of those vaccinated catching the flu = 8%
D. Null hypothesis: proportion of those vaccinated catching the flu > 8%
Alternative hypothesis: proportion of those vaccinated catching the flu < 8%


Answer: A

Mathematics

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