Blood Only 4% of people have Type AB blood.a) On average, how many donors must be checked to findsomeone with Type AB blood?b) What’s the probability that there is a Type AB donoramong the first 5 people checked?c) What’s the probability that the first Type AB donorwill be found among the first 6 people?d) What’s the probability that we won’t find a Type ABdonor before the 10th person?

Question

Blood Only 4% of people have Type AB blood.
a) On average, how many donors must be checked to find
someone with Type AB blood?
b) What’s the probability that there is a Type AB donor
among the first 5 people checked?
c) What’s the probability that the first Type AB donor
will be found among the first 6 people?
d) What’s the probability that we won’t find a Type AB
donor before the 10th person?

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