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

The twoway table shows information about the subjects studied by some people a b Male Female Total Chemistry Biology Physics 12 14 16 16 28 20 34 12 28 Total 42 class=


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