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Given the sets A = [2, 4, 6, 8] and B = [2, 3, 5,...

Mathematics
WAEC 2008
Given the sets A = [2, 4, 6, 8] and B = [2, 3, 5, 9]. If a number is selected at random from set B, what is the probability that the number is prime?
  • A. 1
  • B. \(\frac{3}{4}\)
  • C. \(\frac{1}{2}\)
  • D. \(\frac{1}{4}\)
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Correct Answer: Option B
Explanation
A = [2, 4, 6, 8}

B = {2, 3, 5, 9}

Pr = (Prime in B) = \(\frac{3}{4}\)
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