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A number is selected at random from the set {1,2,3,.... 50}. The probability that it is a prime, is


A) 0.1

B) 0.2

C) 0.3

D) 0.7

Correct Answer:
C) 0.3

Description for Correct answer:
Prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23,29,31,37,41, 43, 47

N(E) = 15 / 50 = 3 / 10 = 0.3

Part of solved Probability questions and answers : >> Aptitude >> Probability




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