﻿ A fair coin is tossed n times. If the probability that head occurs 6 times is equal to the probability that occurs 8 times, then value of n is : Kaysons Education

# A Fair Coin Is Tossed N Times. If The Probability That Head Occurs 6 Times Is Equal To The Probability That Occurs 8 Times, Then Value Of n is

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## Question

### Solution

Correct option is

14

Let X be the number of times head occurs. Then X follows a binomial distribution with parameter n and p = 1/2. We are given that

P(X = 6) =P(X = 8).

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