There is a box containing 30 bulbs of which 5 are defective. If two bulbs are chosen at random from the box in succession without replacing the first,

Question

There is a box containing 30 bulbs of which 5 are defective. If two bulbs are chosen at random from the box in succession without replacing the first,

There is a box containing 30 bulbs of which 5 are defective. If two bulbs are chosen at random from the box in succession without replacing the first, what is the probability that both the bulbs chosen are defective?

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Related Questions

There are `12` pairs of shoes in a box. Then the possible number of ways of picking `7` shoes so that there are exactly two pairs of shoes are

2 Answers 8 Views

Two squares of `1xx1` are chosen at random on a chestboard. What is the probability that they have a side in common ?

2 Answers 4 Views

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

2 Answers 5 Views

There are two boxes, red and white in colour. The ratio of the number of chocolates in the white box to the number of biscuits in the red box is ` 3 :

2 Answers 5 Views

In a box, there are 20 marbles. Each marble is marked with a distinct number from 1 to 20. Find the probability of drawing a marble from the box which

2 Answers 4 Views

A card is drawn from a well-shuffled deck of 52 cards and without replacing this card, a second card is drawn. Find the probability that the first car

2 Answers 7 Views

(i) A box contins 80 discs, which are numbered from 1 to 80. If one disc is drawn at random from the box, find the probability that it bears a perfect

2 Answers 4 Views

In a survey of 200 ladies , it was found that 142 like coffee , while 58 dislike it . Find the probility that a lady chosen at random (i) likes coffee

2 Answers 5 Views

It is known that a box of 800 electric bulbs contains 36 defective bulbs . One bulb is taken at random of the box. What is the probability that the bu

2 Answers 4 Views

Two cards are drawn at random from a pack of 52 cards one-by-one without replacement. What is the probability of getting first card

2 Answers 8 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - `2/87`

5 views Answered 2023-02-05 15:29