If U = {x : x is an integer and 1 ≤ x ≤ 20
MATHEMATICS
JAMB 2000
If U = {x : x is an integer and 1 ≤ x ≤ 20
E1 = {x : x is a multiple of 3}
E2 = {x : x is a multiple of 4}
and an integer is picked at random from U, find the probability that it is not in E2
- A. 3/4
- B. 3/10
- C. 1/4
- D. 1/20
Correct Answer: A. 3/4
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