Statisticsmedium · Past Paper
What is the probability of getting a number divisible by 3 or 5 from integers 1 to 15?
A7/15
B8/15
C1/15
D2/15
✓ Correct Answer: A — 7/15
Divisible by 3: {3, 6, 9, 12, 15}. Divisible by 5: {5, 10, 15}. Union: {3, 5, 6, 9, 10, 12, 15} = 7 numbers. 7/15.
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