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 letter is taken out at random from ′ASSISTANT′ and another is taken out from ′STATISTICS′. The...An urn contains nine balls of which three are red, four are blue and two are green. Three balls are drawn at random with...A pair of dice is thrown. If 5 appears on at least one of the dice, then the probability that the sum is 10 or greater, ...If n different objects are distributed among n + 2 persons, then...If all letters of the word ′MISSISSIPPI′ are arranged then the probability that all S come together will be-...