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

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 |

Link of random variable


Link of probability distribution


link of mean




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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,