CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Conditional Probability

10 Page 288 t...

Question

10 Page 288 target7 Excersise 72 An urn contains 2 black and 2 white balls . a ball is drawn at random . if it is white then it is not replaced into the urn If black a ball of black color is replaced in side the urn The process is repeated then find the probability of getting black ball on 3rd draw

Open in App

Solution

Suggest Corrections

thumbs-up

0

Similar questions

Q. An urn contains

2

2

black balls. A ball is drawn at random. If it is white, it is not replaced into the urn. Otherwise, it is replaced with another ball of the same colour. The process is repeated. Find the probability that the third ball drawn is black.

Q. An urn contains

2

2

black balls. A ball is drawn at random. If it is white, it is not replaced into urn, otherwise it is replaced along with another ball of the same colour. The process is repeated.The probability that the third ball drawn is black is

\frac{23 \times k}{60}

.then the value of k is

Q. There are two urns

U_{1}

U_{2}

U_{1}

2

8

black balls and

U_{2}

4

6

black balls. One urn is chosen at random and a ball is drawn and its colour noted and replaced. The process is repeated

3

times and as a result one ball of white colour and

2

of black are obtained. The probability that the urn chosen was

U_{1}

Q. The contents of urn I and II are as follows:
Urn I: 4 white and 5 black balls
Urn II: 3 white and 6 black balls
One urn is chosen at random and a ball is drawn and its colour is noted and replaced back to the urn. Again a ball is drawn from the same urn colour is noted and replaced. The process is repeated 4 times and as a result one ball of white colour and 3 of black colour are noted. Find the probability the chosen urn was I.

Q. An urn contains

5

7

black balls. A second urn contains

7

8

black balls. One ball is transfered from the

1^{s t}

2^{n d}

urn without noticing its colour. A ball is now drawn at random from the

2^{n d}

urn. The probability that it is white is

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Conditional Probability

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Conditional Probability

Standard XII Mathematics

Join BYJU'S Learning Program

CrossIcon