The American Red Cross Says That About 11% of the U.S

question 1

Essay

The American Red Cross says that about 11% of the U.S. population has Type B blood. A blood drive is being held at your school.
-The blood drive has a total of 150 donors.Assuming this is a typical number of donors for a school blood drive, what would be the mean and standard deviation of the number of donors who have Type B blood?

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