ProbabilityHard
Question
A fair coin is tossed n times. If the probability that head occurs 6 times is equal to the probability that head occurs 8 times, then n is equal to -
Options
A.15
B.14
C.12
D.7
More Probability Questions
A five digit number with distinct digits is formed by using the digits 0, 1, 2, 3, 4, 5. The probability that the number...For any two events A & B defined on a sample space,...Five horses are in a race. Mr. A selects two of the horses at random and bets on them. The probability that Mr. A select...Two dice are thrown together. The probability of showing odd number on any one and multiple of 3 on the other is-...One ticket is selected at random from 50 tickets numbered 00, 01, 02, .... , 49. Then the probability that the sum of th...