HELP PLEASE The probability of being a universal donor is 6% (O-negative-blood type). Suppose that 6 people come to a blood drive. a) What are the mean and standard deviation of the number of universal donohat probability that there are exactly three universal donors? The probability of being a universal donor is 6% (O-negative-blood type). Suppose that 6 people come to a blood drive.
a) What are the mean and standard deviation of the number of universal donors among the 6 people?
b) What is the probability that there are exactly three universal donors?
C) What is the probability that there is at least one universal donor
D) What’s the probability that there is at most 2 universal donors
E) what’s the probability all donors are universal donors
F) what’s the probability of finding exactly 4 universal donors