Problema Solution
The Probability that a freshmen takes an English course is 0.62. The probability of taking a mathematics course is 0.35 and the probability of taking both is 0.23.
a. What is the probability that a freshmen will take English course, given that mathematics course is also taken by that student?
b. What is the probability that a freshmen student will take mathematics course given that English course is also taken by that student?
Answer provided by our tutors
p(A) = .62
p(B) = .35
p(AUB) = .23
a) p(A/B) = p(AUB)/p(B)= .6571
b)p(B/A) = p(AUB)/p(A)= .37