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An experiment has three possible outcomes: A, B,and C. If P(A)=P(B) and P(C)=2P(A) what is the probability of each event

  • MATH -

    P(A) + P(B) + P(C) = 1 = 5P(A)
    P(A) = P(B) = 1/5
    P(C) = 2/5

  • MATH -

    I don't know how drwls got 5P(A).

    P(A) + P(B) + P(C) = 1

    P(A) + P(A) + 2P(A) = 1 = 4P(A)

    P(A) = 1/4 = P(B)
    P(C) = 2P(A) = 1/2

  • MATH -

    Yes, my mistake.

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