6 From a lot of 30 bulbs which include 6 defectives, a sample of 4 bulbs is drawn at random with re

ncert solutions for class 12 chapter13 probability exercise 13.4 question 6 From a lot of 30 bulbs which include 6 defectives, a sample of 4 bulbs is drawn at random with replacement. Find the probability distribution of the number of defective bulbs.

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