ProbabilityHard
Question
In a series of 3 independent trials the probability of exactly 2 success is 12 times as large as the probability of 3 successes. The probability of a success in each trial is:
Options
A.1/5
B.2/5
C.3/5
D.4/5
More Probability Questions
A die is thrown such that the probability of throwing the number i(1 ≤ i ≤ 6) is proportional to its recipro...A bag contains 6 white and 6 black balls. One by one the balls are drawn from the bag with replacement. Then the probabi...If A and B are two independent events such that P (A) > 0, and P (B) ≠ 1then is equal to...If A and B are any two events such that P (A + B) = 5/6, P (AB) = 1/3, P () =1/2, then the events A and B are-...Two cards went missing from a well shuffled pack of 52 cards so that the remaining number of cards are 50. A card is dra...