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8 September, 20:50

The probability that Paula passes Mathematics is 2/3, and the probability that she passes English is 4/9. If the probability that she passes both courses is 1/4, what is the probability that she will pass at least one course?

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  1. 8 September, 20:59
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    31/36

    Step-by-step explanation:

    P (E or M) = P (E) + P (M) - P (E & M)

    = (2/3) + (4/9) - (1/4)

    = 31/36
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