EBook Problems Distrib Dists
EBook Problems Set - Geometric, Hypergeometric and Negative Binomial
Problem 1
Only about 6% of people have O-Negative blood. From a large group of donors, how many of them would you expect to test before you found someone with O-Negative blood?
- Choose one answer.
- (a) 100
- (b) 23.2
- (c) 16.7
- (d) 56.2
Answer
Problem 2
Only about 6% of people have O-Negative blood. From a large group of donors, what is the probability that the first O-Negative donor is one of the first four people you test?
- Choose one answer.
- (a) 0.5634
- (b) 0.0732
- (c) 0.3454
- (d) 0.2193
Answer
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