Question

Out of sixty students, there are 14 who are taking Economics and 29 who are taking Calculus. What is the probability that a randomly chosen student from this group is taking only the Calculus class ?

A) 8/15 B) 7/15 C) 1/15 D) 4/15

Answer 1

Given total students in the class = 60

Students who are taking Economics = 24 and

Students who are taking Calculus = 32

Students who are taking both subjects = 60-(24 + 32) = 60 - 56 = 4

Students who are taking calculus only = 32 - 4 = 28

probability that a randomly chosen student from this group is taking only the Calculus class = 28/60 = 7/15.

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