Answer:
Option B. 0.25 is the answer.
Step-by-step explanation:
Jenny plans to have two children but does not know if they are boy-boy, girl-girl, or boy-girl.
there are 4 combinations :
Boy, Boy (BB)
Girl, Girl (GG)
Girl, Boy (GB) first girl then boy
Boy, Girl (BG) first boy then girl
so out of 4 combination the probability of two boys are = 1/4 = 0.25
Option B. 0.25 is the answer.