The probability that a student at a certain college is male is 0.47.The probability that a student at that college has a job off campus is 0.22.The probability that a student at the college is male and has a job off campus is 0.12.If a student is chosen at random from the college,what is the probability that the student is male or has an off campus job?
A)0.57
B)0.00
C)0.81
D)0.69
E)0.45

Question

Quizplus · Accepted Answer

To find the probability that a student is male or has an off-campus job, use the formula P(A or B) = P(A) + P(B) - P(A and B). Substituting the given probabilities, we get 0.47 + 0.22 - 0.12 = 0.57.

The Probability That a Student at a Certain College Is