A carton contains 20 bulbs ,5 of which are defective. The probability that,if a sample of 3 bulbs in chosen at random from the carton, 2 will be defective, is

A cartoon contains 20 bulbs, 5 of which are defective. Find the probability that if a sample of 3 bulbs is chosen at random from the cartoon 2 will be defective.

In a box containing 100 bulbs, I0 are defective. The probability that out of a sample of 5 bulbs, none is defective is

In a box containing 10 bulbs, 2 are defective. What is the probability that among 5 bulbs chosen at random, none is defective?

In a box containing 100 bulbs, 10 are defective. The probability that out of a sample of 5 bulbs none is defective is :

In a box containing 10 bulbs, 2 are defective. What is the probability that among 5 bulbs chosen at random , none is defective ?

In a box containing 100 bulbs 10 are defective the probability that out of a sample of 5 bulbs none is defective is ?