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A certain county is 25​% African American. Suppose a researcher is looking at jury​ pools, each with 200 ​members, in this county. The null hypothesis is that the probability of an African American being selected into the jury pool is 25​%. a. How many African Americans would the researcher expect on a jury pool of 200 people if the null hypothesis is​ true? b. Suppose pool A contains 17 African American people out of 200​, and pool B contains 39 African American people out of 200. Which will have a smaller​ p-value and​ why?

Sagot :

Answer: a. 50 African Americans

b. Pool B will have a smaller​ p-value because that pool's number of AA people is further from the hypothesized number of AA people.

Step-by-step explanation:

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