SOLUTION: in a class of 24 students 19 take social studies, 22 take math and all take either social studies or math. How many students take both social studies and math A student fro

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Question 308028: in a class of 24 students 19 take social studies, 22 take math and all take either social studies or math.
How many students take both social studies and math
A student from the class is selected at random.
Find
1.The probability that he stakes social studies
2. The probability he takes math
3. The probability he takes both math and social studies
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
19 + 22 - b = 24 ___ 17 = b

1. P(ss) = 19/24

2. P(m) = 22/24

3. P(b) = 17/24