A box contains `10` good articles and `6` defective articles. One item is drawn at random. The probability that it is either good or has a defect, is

A box contains 50 articles of which 4 are defective. One article is taken at random from the box. Find the probability of that article is not defective. .

There are 6 defective items in a sample of 20 items. One item is drawn at random. The that it is probability a non-defective item is

There are 6 defective items in a sample of 20 items, one item is drawn at random. The probability that it is a non - defective item is …………………. .

A lot contains 15 items of which 5 are defective. If three items are drawn at random, find the probability that (i) all three are defective

A lot contains 15 items of which 5 are defective. If three items are drawn at random, find the probability that none of the three is defective. Do this problem directly.

Out of 15 articles in a box, three of. them are defective. If 5 articles of them are drawn at random, what is the probability that at least one article are defective.

A box contains 100 bulbs, out of which 10 are defective. A sample of 5 bubls is drawn. The probability that none is defective is

A box contains 100 bulbs, out of which 10 are defective. A sample of 5 bulbs is drawn. The probability that none is defective is