Statisticshard · Past Paper
Three fair coins are tossed. What is the probability of getting exactly two tails?
A1/8
B3/8
C1/2
D1/4
✓ Correct Answer: B — 3/8
Sample space has 8 outcomes. Outcomes with 2 tails: TTH, THT, HTT. 3/8.
Share this question
More from Statistics
- If two dice are thrown, what is the probability that the sum of the numbers is 7?
- What is the mean of 10, 20, 30, 40, 50?
- If the mode of a data is 18 and the mean is 18, what is the median?
- In a data set, if the median is 15 and the mean is 15, what is the most likely value for the mode if the distribution is perfectly symmetrical?
- From a well-shuffled deck of 52 cards, what is the probability of drawing a king?