Medicine and Clinical Studies
When a person has a certain type of leukemia, a physician may perform a bone marrow transplant in order to restore a healthy blood supply. Among the general population, the chances of an acceptable bone marrow match are 1 in 20,000.40 Suppose a person needs a bone marrow transplant and four people from the general population are selected at random.
a. What is the probability that none of the four will match?
b. What is the probability that at least one will match?
c. How many people would have to be tested in order for the probability of at least one match to be 0.50?