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Students A biology class has 32 students. Of these, 10 students are biology majors and
Chapter 3, Problem 13(choose chapter or problem)
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.
Questions & Answers
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.