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Mathematics, 05.05.2021 04:50 user1234536

About 10% of people in the United States have type B blood. Suppose we take a random sample of 120 U. S. residents, and let X = the number of residents in the sample who have type B blood. 1. Calculate the mean of the sampling distribution of X.

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About 10% of people in the United States have type B blood. Suppose we take a random sample of 120 U...
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