A manufacturer of videotapes ships them in lots of 1200 tapes per lot. Before shipment, 20 tapes

Question:

A manufacturer of videotapes ships them in lots of 1200 tapes per lot. Before shipment, 20 tapes are randomly selected from each lot and tested. If none is defective, the lot is shipped. If one or more are defective, every tape in the lot is tested.

a. What is the probability distribution for x, the number of defective tapes in the sample of 20?

b. What distribution can be used to approximate probabilities for the random variable x in part a?

c. What is the probability that a lot will be shipped if it contains 10 defectives? 20 defectives? 30 defectives?

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...

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