SOLUTION: A statistics class has 50 students and among those students, 35 are business majors and 7 like grilled cheese. Of the business majors, 3 like grilled cheese. Find the probability

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Question 1194263: A statistics class has 50 students and among those students, 35 are business majors and 7 like grilled cheese. Of the business majors, 3 like grilled cheese. Find the probability that a randomly selected statistics student is a business major or likes grilled cheese.
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
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    P = %2835+%2B+%287-3%29%29%2F50 = 39%2F50 = 78%2F100 = 0.78 = 78%.    ANSWER


The idea of the solution is that the favorable set is 35 students that are business majors  highlight%28PLUS%29  
7-3 = 4  highlight%28other%29  highlight%28students%29  of the statistics class that like grilled cheese.

Solved.