Statisticseasy · Past Paper
What is the probability of getting exactly one head when two coins are tossed?
A1/4
B1/2
C3/4
D1
✓ Correct Answer: B — 1/2
Outcomes: (H,T) and (T,H). Total 2/4 = 1/2.
Share this question
More from Statistics
- If the mean of $x_1, x_2, ... x_n$ is $\bar{x}$, what is the mean of $ax_1+b, ax_2+b, ... ax_n+b$?
- Determine the median of the following observations: 25, 30, 21, 15, 28, 35, 40, 12, 18.
- If P(A) = 0.65, find the probability of the complement of A.
- A die is thrown. What is the probability of getting a number greater than 4?
- If the mean of 4, 6, x, 9, 10, 15 is 10, find x.