Among 500 freshman pursuing a business degree at a university, 320 are enrolled in an
Economics course, 225 are enrolled in a Mathematics course, and 140 are enrolled in both an Economics
and a Mathematics course. What is the probability that a freshman selected at random from this group
is enrolled in:
a) an Economics or Mathematics course?
b) exactly one of these two courses?
c) neither an Economics course nor a Mathematics course?
THIS IS NOT MULTIPLE CHOICE, A, B, AND C ARE MULTIPLE QUESTIONS

Question

anonymous · Answer

exactly one of these two courses

anonymous · Answer

no is not multiple choice, those are multiple questions

ganeshie8 · Answer

start by drawing a venn diagram

ganeshie8 · Answer

|dw:1396368543936:dw|