Lot A consists of 3G and 2D articles Lot B consists of 4G and 1D article. A new lot C is formed by taking 3 articles from A and 2 from B. The probability that an article chosen at random from C is defective, is

Lot A consists of 3 G and 2 D articles. Lot B consists of 4 G and 1 D article. A new lot C is formed by taking 3 articles from A and 2 from B . The probability that an article chosen at random from C is defective, 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. .

In a lot of 25 articles, 5 are defective. Four articles are drawn at random from the lot. Find the probability that exactly 2 of the drawn articles are defective.

A lot has 10% defective items .10 items are chosen randomly from the lot the probability that exactly 2 of the chosen items are defective

A lot consists of 12 good pencils, 6 with minor defects and 2 with major defects. A pencil is choosen at random. The probability that this pencil is not defective, is

A lot consists of 12 good pencils , 6 with minor defects and 2 with major defects .A pencil is chosen at random .Find the probability that this pencil is not defective.

A lot of 20 bulbs contain 4 defective ones. One bulb is drawn at random from the lot. What is the probability that this bulb is defective ?

A lot of 20 bulbs contain 4 defective ones.One bulb is drawn at random from the lot.What is the probability that this bulb is defective?