Statisticsmedium · Past Paper
Find P(A union B) given the following data.
A0.8
B0.7
C0.6
D0.5
✓ Correct Answer: A — 0.8
Using the formula P(A u B) = P(A) + P(B) - P(A n B).
Share this question
More from Statistics
- The median of 4, 1, 3, 2, 5 is:
- A bag has 3 red and 5 black balls. If two balls are drawn one after another with replacement, what is the probability that both are red?
- A set of data consists of 10 items with mean 12. If another 10 items with mean 18 are added, what is the new mean?
- If two coins are tossed, find the probability of getting at most one tail.
- For two mutually exclusive events A and B, which formula is correct?