A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that at least one bulb is good.

Related Mcqs:

Three 6 faced dice are thrown together. The probability that all the three show the same number on them is -.

A. 1/216 B. 1/36 C. 5/9 D. 5/12...

Three 6 faced dice are thrown together. The probability that no two dice show the same number on them is__________?

A. 7/12 B. 5/9 C. 1/36 D. 5/12...

A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are picked at random, what is the probability that they are either blue or yellow?

A. 3/22 B. 4/21 C. 2/21 D. 1/14...

Out of 15 consecutive numbers, 2 are chosen at random. The probability that they are both odds or both primes is_________?

A. 10/17 B. 10/19 C. 46/105 D. Cannot be determined...

What is probability of drawing two clubs from a well shuffled pack of 52 cards?

A. 13/51 B. 1/17 C. 1/26 D. 13/17...