Question

A letter is chosen from the words BABY BOY and then replaced. Find P(B and B). A.2/7 b.9/49 c.2/49 D.7/49

Answer 1

9/49

Explanation:

BABY BOY = 7 letters

P(b) = B / total = 3 /7

Then replace

P(b) = B / total = 3 /7

P(B , replace, b) = 3/7 * 3/7 = 9/49