How many computers can we expect to be tested before a faulty computer is found?

by Paul Garland

Question by Katie Lynn: How many computers can we expect to be tested before a faulty computer is found?
A factory makes computers, and is known to produce computers that have a probability of 0.03 of being faulty. How many computers can we expect to be tested before a faulty computer is found? (Round to the nearest 0.001)

Best answer:

Answer by Jussi
I am quite sure that computers don’t have decimals. Or do you know what 1.421 computers look like?
The answer, unless you mistook 0.03 % for 0.03, is 33 computers. (1/0.03)

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