Lectures - 3.2 Conditional Probabilities
Quiz 3.2 #1
There are five cars on sale.
Two BMW’s, one of which has a sunroof.
Three Mercedes, two of which have a sunroof.
I bought a car with sunroof.
What’s the probability it was a BMW?
- A. 1/3
- B. 1/2
- C. 2/3
Quiz 3.2 #2
Let A and B be independent events.
Pr(A) = 0.5, Pr(B) = 0.4.
What is Pr(A U B)?
- A. 0.3
- B. 0.7
- C. Not enough information