Probability distribution of number of nonconforming fuses

Reference no: EM131384476

In a lot of 200 electrical fuses, 20 are known to be nonconforming. A sample of 10 fuses is selected.

(a) What is the probability distribution of the number of nonconforming fuses in the sample? What are its mean and standard deviation?

(b) Using the binomial distribution as an approximation to the hypergeometric, find the probability of getting 2 nonconforming fuses. What is the probability of getting at most 2 nonconforming fuses?

Reference no: EM131384476

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