If U = {x : x is an integer and 1 ≤ x ≤ 20
MATHEMATICS
JAMB 2017
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. \(\frac{3}{4}\)
- B. \(\frac{3}{10}\)
- C. \(\frac{1}{4}\)
- D. \(\frac{1}{20}\)
Correct Answer: A. \(\frac{3}{4}\)
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