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The two-way table shows information about the subjects studied by
some people.
Chemistry
Biology
Physics
Total
12
Male
14
16
42
Female
16
20
12
48
Total
28
34
28
90
a)
How many people are male OR study Biology OR both?
b)
What is the probability that any person is male OR
studies Biology OR both?
Two-Way Tables - Probabilities
Overview
Assignment on Probability i​