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A basket contains 20 apples and 10 oranges out of which 5 apple and 3 orange are defective. If a person takes out 2 at random what is the probability
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A basket contains 20 apples and 10 oranges out of...
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Nov 15, 2021
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JackTerrance
A basket contains 20 apples and 10 oranges out of which 5 apple and 3 orange are defective. If a person takes out 2 at random what is the probability that either both are apples or both are good? Select the correct answer from above options
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Nov 15, 2021
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JackTerrance
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A: both are apples B: both are good P(A)= .20C2 .30C2 P(B)= .22C2 .30C2 P(A∩B)= .15C2 .30C2 P(A∪B)=P(A)+P(B)+P(A∩B) = .20C2 .30C2 + .22C2 .30C2 - .15C2 .30C2 .
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