SOLUTION: A batch of 200 calculators contains 3 defective calculators. a) In how many ways can a sample of three calculators have no defective calculators? b) In how many ways can a sampl

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Question 657915: A batch of 200 calculators contains 3 defective calculators.
a) In how many ways can a sample of three calculators have no defective calculators?
b) In how many ways can a sample of three calculators have all defective calculators
c) In how many ways can a sample of three calculators have at least one defective calculators?

Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,
A batch of 200 calculators contains 3 defective calculators.
sample of three calculators
# of ways this sample can have no defective calculators? 197C3%2A3C0
# of ways this sample can have all defective calculators? 197C0%2A3C3
# of ways this sample can have AT LEAST one defective calculators?
200C3 - 197C3%2A3C0