Probability of choosing defective roll by defective roll


The client advertises their vehicles in the Wall Street Journal. They take their own pictures of the vehicles they sell. out of the 10 rolls of film in a box, there are 3 that are defective. Two rolls are to be selected without replacement. What is the probability of selecting a defective roll followed by another defective roll?

A) 1/2, or 0.50
B) 1/4, or 0.25
C) 1/120, or about 0.0083
D) 1/15, or about 0.07

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Microeconomics: Probability of choosing defective roll by defective roll
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