ProbabilityHard
Question
One hundred Identical coins each with probability P of showing up heads are tossed once. It 0 < P < 1 and probability of heads showing on 50 coins is equal that of heads showing on 51 coins, then the value of P is :-
Options
A.
B.
C.
D.
Solution
100C50 P50 q50 = 100C51 P51 q49
(where q = 1 - P)
⇒ P = 
(where q = 1 - P)
⇒ P = Create a free account to view solution
View Solution FreeMore Probability Questions
If E and f are independent events suents such that 0...If A & B are two events such the P(B) ≠ 1, Bc denotes the event complementary to B, then -...Winning a game by a player is-...If 12 identical balls are to be placed in 3 identical boxes, then the probability that one of the boxes contains exactly...The probability that a man will remain alive for the next 25 years is 4/5 and the probability that his wife will remain ...