The probability that a person is immune to a certain disease is 0.40. a. What is the probability tha


Question: The probability that a person is immune to a certain disease is 0.40.

a. What is the probability that 4 people will have the disease in a sample of 12 people?

b. Find the mean number of people who have immunity in a sample of size 12.

c. Find the standard deviation for the same sample.

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