Statisticshard · Past Paper
A bag has 3 red and 5 black balls. If two balls are drawn one after another without replacement, what is the probability that both are red?
A9/64
B3/28
C3/56
D1/15
✓ Correct Answer: B — 3/28
First draw: 3/8. Second draw: 2/7. P = (3/8) * (2/7) = 6/56 = 3/28.
Share this question