Statisticshard · Past Paper
Two dice are thrown. What is the probability that the sum is neither 7 nor 11?
A1/6
B2/9
C7/9
D5/6
✓ Correct Answer: C — 7/9
P(sum 7) = 6/36. P(sum 11) = 2/36. P(7 or 11) = 8/36 = 2/9. P(neither) = 1 - 2/9 = 7/9.
Share this question
More from Statistics
- A bag contains 6 red, 4 white and 8 blue balls. If 3 balls are drawn at random, what is the probability they are all blue?
- A cricketer scores 40, 50, 60, 0, and 100 runs in five matches. What is his mean score?
- A card is drawn at random from 1 to 25. What is the probability that the number is a multiple of 2 or 3?
- Calculate the median of the following observations: 5, 12, 3, 18, 7.
- If the total number of items in a frequency distribution is 50, what is the position of the median?