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An urn contains 6 red and 5 blue balls. Two balls are drawn at
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An urn contains 6 red and 5 blue balls. Two balls are drawn at random with replacement. Find the probability of getting(i) 2 red balls(ii) 2 blue balls(iii) one red and one blue ball

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An urn contains 6 red and 5 blue balls. Two balls are drawn at random with replacement. Find the probability of getting(i) 2 red balls(ii) 2 blue balls(iii) one red and one blue ball
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Practice questions from similar books

Question 1
An urn contains 5 red and 2 green balls, one ball is chosen from urn. If it is red then a green ball is put back into Box, and if it green then a red ball is put in to box (previous ball was not put in that box). Then a second ball is drawn the probebility that it is red ball is (a) (b) (c) (d)

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Question 2
Let, X denote the number of colleges where you will apply after your results and P (X = x) denotes your probability of getting admission in x number of colleges. It is given that where is a positive constant. Find the value of . Also find the probability that you will get admission in (i) exactly one college (ii) at most 2 colleges (iii) at least 2 colleges.

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Question 3
Probabilities of solving a specific problem independently by A and B arerespectively. If both try to solve the problem independently, find the probability that (i) the problem is solved (ii) exactly one of them solves the problem.

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Question 4
Two cards are drawn simultaneously (or successively without replacement) from a well shuffled pack of 52 cards. Find the mean, variance and standard deviation of the number of kings.

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Question Text
An urn contains 6 red and 5 blue balls. Two balls are drawn at random with replacement. Find the probability of getting(i) 2 red balls(ii) 2 blue balls(iii) one red and one blue ball