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17 February, 18:05

A traffic signal is green for 20 seconds,

then yellow for 5 seconds, then red for

25 seconds. When you reach the signal,

what is the probability it is green?

+3
Answers (2)
  1. 17 February, 18:16
    0
    Step-by-step explanation:

    green for 20 seconds

    yellow for 5 seconds

    red for 25 seconds

    total of 50 seconds

    P (green) = 20/50 = 2/5
  2. 17 February, 18:29
    0
    20 + 5 + 25 = 50

    20/50

    2/5
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