12. A student is taking two courses, history and math. The probability the stude

Question

12. A student is taking two courses, history and math. The probability the student will pass the history course is 0.47, and the probability of passing the math course is 0.33. The probability of passing both is 0.40.

What is the probability of passing at least one? (Round your answer to 2 decimal places.)

12. A student is taking two courses, history and math. The probability the student will pass the history course is 0.47, and the probability of passing the math course is 0.33. The probability of passing both is 0.40.

Explanation / Answer

So the probability of passing at least one is/

P(pass the history) + P(passing the math) - P(both)

=0.47+0.33-0.4

=0.4

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