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?

Answer 1

probability chapter still didn't completed so i don't know sorry