Question
A couple has two children. What is the probability that both are girls given that the oldest is a girl? What is the probability that both are girls given that one of them is a girl?
Step 1
The possible outcomes are: two girls (GG), a girl and a boy (GB), a boy and a girl (BG), or two boys (BB). So, the total number of outcomes is 4. Show more…
Show all steps
Your feedback will help us improve your experience
James Kiss and 64 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
A couple has 2 children. What is the probability that both are girls if the older of the two is a girl?
A couple has 2 children. What is the probability that both are girls if the eldest is a girl?
Conditional Probability And Independence
Problems
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD