Mathematics
JAMB 2011
Find the probability that a number picked at random from the set(43, 44, 45, ..., 60) is a prime number.
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A.
\(\frac{2}{3}\)
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B.
\(\frac{1}{3}\)
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C.
\(\frac{2}{9}\)
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D.
\(\frac{7}{9}\)
Correct Answer: Option C
Explanation
Prime numbers = (43,47,53,59)
N = (43, 44, 45,..., 60)
The universal set contains 18 numbers.
The prime numbers between 43 and 60 are 4
Probability of picking a prime number = \(\frac{4}{18}\)
= \(\frac{2}{9}\)
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