Statisticsmedium · Past Paper
Two dice are thrown. What is the probability that the sum is a prime number?
A15/36
B1/6
C5/12
D13/36
✓ Correct Answer: A — 15/36
Sums that are prime: 2, 3, 5, 7, 11. Count outcomes: (1,1), (1,2), (2,1), (1,4), (4,1), (2,3), (3,2)... Total is 15. 15/36 = 5/12.
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