Home
Class 12
MATHS
An urn contains 5 red and 5 black balls....

An urn contains 5 red and 5 black balls. A ball is drawn at random, its colour is noted and is returned to the urn. Moreover, 2 additional balls of the colour drawn are put in the um and then a ball is drawn at random. What is the probability that the second ball is red?

Text Solution

AI Generated Solution

To solve the problem, we need to determine the probability that the second ball drawn is red after following the described process. Let's break it down step by step. ### Step 1: Understand the Initial Setup The urn contains: - 5 red balls - 5 black balls ### Step 2: Calculate the Probability of Drawing Each Color First ...
Promotional Banner

Similar Questions

Explore conceptually related problems

An um contains 5 red and 5 black balls. A ball is drawn at random, its colour is noted and is returned to the urn. Moreover, 2 additional balls of the colour drawn are put in the um and then a ball is drawn at random. What is the probability that the second ball is black

An urn contains m white and 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. What is the probability that the ball drawn now is white ?

A bag contains 5 white and 7 red balls. One ball is drawn at random. What is the probability that ball drawn is white?

A bag contains 9 red and 12 white balls one ball is drawn at random. Find the probability that the ball drawn is red.

A box contains 4 white and 5 black balls. A ball is drawn at random and its colour is noted. A ball is then put back in the box along with two additional balls of its opposite colour. If a ball is drawn again from the box, then the probability that the ball drawn now is black, is

An urn contains 9 red 7 white and 4 black balls. A ball is drawn at random. The probability that ball drawn is neither black nor red is

An urn contains m white and n black balls. A ball is drawn at random and is put back into the urn along with k balls of the same colour as that of the ball drawn. a ball is again drawn at random. Show that the probability of drawing a white ball now does not depend on k.

An urn contains m white and n black balls. A ball is drawn at random and is put back into the urn along with k balls of the same colour as that of the ball drawn. a ball is again drawn at random. Show that the probability of drawing a white ball now does not depend on k.

An urn contains m white and n black balls. A ball is drawn at random and is put back into the urn along with k balls of the same colour as that of the ball drawn. a ball is again drawn at random. Show that the probability of drawing a white ball now does not depend on k.

An urn contains m white and n black balls. A ball is drawn at random and is put back into the urn along with k balls of the same colour as that of the ball drawn. a ball is again drawn at random. Show that the probability of drawing a white ball now does not depend on k.