Post a New Question

Finite math

posted by on .

A newly married couple decides to keep having children until they have a girl. What is the probability that the couple will have at least 5 children?

  • Distribution Theory - ,

    This is Geometric distribution.
    Let Y be r.v."No: of chldn before a girl"
    P(Y=y)=pq^(y-1)...therefore
    P(Y=5)=(0.5)(0.5)^(5-1)=0.03125.

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question