There are two boxes, namely, box-I and box-II. Box-I contains 3 red and 6 black balls. Box-II co... VIDEO
There are two boxes, namely, box-I and box-II. Box-I contains 3 red and 6 black balls. Box-II contains 5 red and n black balls. One of the two boxes, box-I and box-II is selected at random and a ball is drawn at random. The ball drawn is found to be red. If the probability that this red ball comes out from box-II is \( 1 / 3 \), find the value of \( n \).https://bit.ly/YTAI_PWAP https://www.pw.live
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