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There are two boxes. One box contains 3 ...

There are two boxes. One box contains 3 white balls and 2 black balls. The other box contains 7 yellow balls and 3 black balls. If a box is selected at random and from it, a ball is drawn, the probability that the ball is black is

A

`(7)/(20)`

B

`(1)/(5)`

C

`(3)/(20)`

D

`(1)/(3)`

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The correct Answer is:
A
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TARGET PUBLICATION-PROBABILITY-CRITICAL THINKING (ADDITION THEOREM AND CONDITIONAL PROBABILITY)
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