The probability that a bulb produced by a factory will fuse after 150 days of use is 0.05. Find the probability that out of 5 such bulbs at least one bulb will fuse after 150 days of use.

The probability that a bulb produced by a factory will fuse after 150 days of use is 0.05. Find the probability that out of 5 such bulbs not more than one will fuse after 150 days of use.

The probability that a bulb produced by a factory will fuse after 150 days of use is 0.05. Find the probability that out of 5 such bulbs more than one will fuse after 150 days of use.

The probability that a bulb produced by a factory will fuse after 150 days of use is 0.05. Find the probability that out of 5 such bulbs none will fuse after 150 days of use.

The probability that a bulb produced by a factory will fuse after 150 days of use is 0·05. Find the probability that out of 5 such bulbs: (i) none (ii) not more than one (iii) more than one (iv) at least one will fuse after 150 days of use.

A factory produces bulbs. The probability that any one bulb is defective is 1/50 and they are packed in boxes of 10. From a sigle box, find the probability that exactly two bulbs are defective.

A factory produces bulbs. The probability that any one bulb is defective is 1/50 and they are packed in boxes of 10. From a sigle box, find the probability that none of bulb is defective.

A factory produces bulbs. The probability that any one bulb is defective is 1/50 and they are packed in boxes of 10. From a sigle box, find the probability that more than 8 bulbs work properly.

Two students Anil and Ashima appeared in an examination. The probability that Anil will qualify the examination is 0.05 and that Ashima will qualify the examination is 0.10. The probability that both will qualify the examination is 0.02. Find the probability that : at least one of them will not qualify the examination.

In a box containing 100 bulbs, 10 are defective. What is the probability that out of a sample of 5 bulbs, exactly 2 are defective?