Question

If a fair coin is tossed 7 times, what is the probability, to the nearest thousandth, of getting exactly 5 heads?

Answer 1

0.164

Explanation:

delta math said so but

n=7 ; r=5; p=1/2

q= 1- 1/2 = 1/2

7c5(1/2)^5 (1/2)^2 = 0.16406 which is 0.164