Question

A fair coin is tossed 10 times. What is the probability of getting exactly 6 heads?

Answer 1

by the method of binomial theorem,
P = C(n,r).p^r.q^n-r
= C(10,6).(1/2)^6.(1/2)^4
= 210/1024
= 105/512 Ans.

Answer 2

Correct! Good job.