Question
The probability of a student buying coffee before class is 30%. The probability of a student buying a muffin before class is 40%. The probability
The probability of a student buying coffee before class is 30%.
The probability of a student buying a muffin before class is 40%.
The probability of a student buying tea before class is 20%.
The probability a student buys coffeeANDa muffin before class is 15%.
The probability a student buys teaANDa muffin before class is 10%.
What is the probability that a student buys coffeeORa muffin before class?
| D. 55% |
| C. 60% |
| B. 50% |
| A. 70% |
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Introduction to graph theory
Authors: Douglas B. West
2nd edition
131437372, 978-0131437371
