ProbabilityHard
Question
From an urn containing six balls, 3 white and 3 black ones, a person selects at random an even number of balls (all the different ways of drawing an even number of balls are considered equally probable, irrespective of their number). Then the probability that there will be the same number of black and white balls among them -
Options
A.4/5
B.11/15
C.11/30
D.2/5
More Probability Questions
In a purse there are 10 coins, all 5 paise except one which is a rupee. In another purse there are 10 coins all 5 paise....Out of 13 applicants for a job, there are 5 women and 8 men. It is desired to select 2 persons for the job, the probabil...A box has four dice in it. Three of them are fair dice but the fourth one has the number five on all of its faces. A die...Three groups A, B, C are competing for positions of d the Board of Directors of a company. The probabilities of their wi...A, B and C are three mutually exclusive and exhaustive events and P(B) = P (A), P(C) = P(B) then the value of P (A) is-...