A bag contains 5 white and 3 black balls. Four balls are successively drawn out without replacement. What is the probability that they are alternately

Question

A bag contains 5 white and 3 black balls. Four balls are successively drawn out without replacement. What is the probability that they are alternately

A bag contains 5 white and 3 black balls. Four balls are successively drawn out without replacement. What is the probability that they are alternately of different colours?

Monjur Alahi

7 views

2025-01-04 04:42

1 Answers

Related Questions

A bag contrains 4 white and 5 black blls. Another bag contains 9 white and 7 black balls. A ball is transferred from the first bag to the second and t

2 Answers 5 Views

A bag contains 3 white and 2 black balls and another bag contains 2 white and 4 black balls. One bag is chosen at random. From teh selected bag, one b

2 Answers 5 Views

Three bags contain a number of red and white balls as follows Bag I : 3 red balls, Bag II : 2 red balls and 1 white balls and Bag III : 3 white balls.

2 Answers 10 Views

There are three urns containing 2 white and 3 black balls, 3 white and 2 black balls and 4 white and 1 black balls, respectively. There is an equal pr

2 Answers 5 Views

A box contains 3 orange balls, 3 green balls and 2 blue balls. Three balls are drawn at random from the box without replacement. The probability of dr

2 Answers 18 Views

Balls are drawn one-by-one without replacement from a box containing 2 black, 4 white and 3 red balls till all the balls are drawn. Find the probabili

2 Answers 10 Views

A bag contains 3 red, 7 white, and 4 black balls. If three balls are drawn from the bag, then find the probability that all of them are of the same co

2 Answers 4 Views

An urn contains 10 black and 5 white balls. Two balls are drawn from the run one after the other without replacement. What is the probability that fir

2 Answers 4 Views

A bag contains `W` white and 3 black balls. Balls are drawn one by one without replacement till all the black balls are drawn. Then find the probabili

2 Answers 8 Views

A bag contains `n` white and `n` red balls. Pairs of balls are drawn without replacement until the bag is empty. Show that the probability that each p

2 Answers 5 Views

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

Salim Ahmed Kawsar

Correct Answer - `1/7`
Required probability
`=P(WBWB)+P(BWBW)`
`=P(W)P(B//W)P(W//WB)P(B//BWB)`
`=5/8xx3/7xx4/6xx2/5+3/8xx5/7xx2/6xx4/5`
`=(1)/(14)+(1)/(14)=1/7`

7 views Answered 2023-02-05 15:29