• 2025 October(J08) Math Question 23

    Probability

    - More than One Event

    Choice A

    E[Revenue]=400(0.02)+100(0.02)+60(0.04)+0(0.92)E[\text{Revenue}] = 400(0.02) + 100(0.02) + 60(0.04) + 0(0.92) =8+2+2.40+0=$12.40= 8 + 2 + 2.40 + 0 = \$12.40

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