CameraIcon

SearchIcon

MyQuestionIcon

2

You visited us 2 times! Enjoying our articles? Unlock Full Access!

Independent Events

Anurn 5 red ...

Question

Anurn 5 red and 5 black balls .A ball is drawn at random its colour is noted and is returned to the urn moreover two additional balls of the colour drawn are put in the urn and then a ball is drawn at random .what is the probability that second ball is red?

Open in App

Solution

Suggest Corrections

thumbs-up

0

Similar questions

Q. An urn contains

5

2

green balls. A ball is drawn at random from the urn. If the drawn ball is green, then a red ball is added to the urn and if the drawn ball is red, then a green ball is added to the urn; the original ball is not returned to the urn. Now, a second ball is drawn at random from it. The probability that the second ball is red, is :

Q. An urn contains

8

5

white balls. Three balls are drawn at random. Then, the probability that balls of both colours are drawn is

Q. An urn contains 5 red and 7 green balls. A ball is drawn at random and its colour is noted. The ball is placed back into the urn along with another ball of the same colour. The probability of getting a red ball in the next draw is

A

6

4

black balls and urn

B

4

6

black balls. One ball is drawn at random from urn

A

and placed in urn

B

. Then one ball is drawn at random from urn

B

and placed in urn

A

. If one ball is now drawn at random from urn

A

, the probability that it is red is

Q. An urn contains

m

n

black balls. A ball is drawn at random and is put back into the urn along with

k

additional balls of the same colour as that of the ball drawn. A ball is again drawn at random. Then the probability that the ball drawn now is white, is:

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Independent and Dependent Events

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Independent Events

Standard XII Mathematics

Join BYJU'S Learning Program

CrossIcon