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Exercise 2.3



Exercise 2.3. Student interests. A student is chosen at random. Let A, B, C be the events that the student is an Aeronautics major, a Basketball player, or a Co-op student. The events are not disjoint; we are told P(A) = P(B) = P(C) = 0.38, and P(A n B)-P(A n C) = P( B n C) 0.12, and Find the probability that the student participates in at least one of these three programs, i.e., find P(AUBUC).
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Answer #1

from given information probability of

at least one =P(AUBUC)= P(A)+P(B)+P(C )-P(AnB)-P(BnC)-P(AnC)+P(AnBnC) = 0.83
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