Statisticsmedium · Past Paper
What is the probability of getting a sum of at least 11 when two dice are thrown?
A1/12
B1/18
C1/6
D3/36
✓ Correct Answer: A — 1/12
Sums of 11: (5,6), (6,5). Sum of 12: (6,6). Total 3 outcomes. P = 3/36 = 1/12.
Share this question
More from Statistics
- A circle in a pie chart is divided into 3 sectors. Two sectors are 120 and 150 degrees. What is the angle of the third sector?
- The mean of a set of data is 5. If every value is doubled and then 3 is added, the new mean is:
- If the mean of first $n$ odd natural numbers is $n^2/81$, find $n$.
- 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 the modal class is 40-50, which of the following is the mode definitely NOT?