Question

I need help with A, B, and C

Toss a fair coin 8 times. Let X be the number of heads. (a) Find P(X= 3). (b) Find P(X 25). (c) Find P(X 56). (a) P(X = 3) = (Round to four decimal places as needed.)

Answer 1

From the given information,

n=8

p=0.5

Hence,

By using binomial probability calculater,

The required correct answers are,

A. P(X=3)= 0.2188

B. P(X≥5)= 0.3633

C. P(X≤6)= 0.9648

Please help me out by just rating the answer.

Thank you so much.