Students A biology class has 32 students. Of these, 10 students are biology majors and

Chapter 3, Problem 13

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QUESTION:

Students A biology class has 32 students. Of these, 10 students are biology majors and 14 students are male. Of the biology majors, four are male. Find the probability that a randomly selected student is male or a biology major.

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QUESTION:

Students A biology class has 32 students. Of these, 10 students are biology majors and 14 students are male. Of the biology majors, four are male. Find the probability that a randomly selected student is male or a biology major.

ANSWER:

Step 1 of 2

According to probability theory, the additive rule of two events A and B is given by,

And let A is a biology major and B is male student.

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