Mathematics
JAMB 1986
Find the probability that a number selected at random from 40 to 50 is a prime
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A.
\(\frac{2}{11}\)
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B.
\(\frac{5}{11}\)
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C.
\(\frac{3}{11}\)
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D.
\(\frac{4}{11}\)
Correct Answer: Option C
Explanation
From 40 to 50 = these number are prime i.e. 41, 43, 47
prob. of selecting a prime No. is \(\frac{3}{11}\)
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