SOLUTION: The​ registrar's office reported that 310 students are enrolled in​ Statistics, and 297 are enrolled in General Psychology. 125 are enrolled in both. If there are​ 3,500 stu

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Question 1201197: The​ registrar's office reported that 310 students are enrolled in​ Statistics, and 297 are enrolled in General Psychology. 125 are enrolled in both.
If there are​ 3,500 students at the branch​ campus, what is the probability that you would randomly select a student that is enrolled in Statistics or General​ Psychology?

Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
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P = 310%2F3500 + 297%2F3500 - 125%2F3500 = %28310%2B297-125%29%2F3500 = 482%2F3500 = 0.1377  (rounded).    ANSWER

Solved.

Use the formula for the probability of the union of two events.