# Question

A medical researcher estimates that .00004 of the population has a rare blood disorder. If the researcher randomly selects 100, 000 people from the population,
a. What is the probability that seven or more people will have the rare blood disorder?
b. What is the probability that more than 10 people will have the rare blood disorder?
c. Suppose the researcher gets more than 10 people who have the rare blood disorder in the sample of 100, 000 but that the sample was taken from a particular geographic region. What might the researcher conclude from the results?

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