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1 July, 10:50

A traffic light's cycle is as follows: • green for 63 seconds • yellow for 7 seconds • red for 28 seconds • repeat suppose a car approaches the traffic light at a random time, what is the probability that the light will be green?

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  1. 1 July, 12:41
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    You do part divided by whole

    Total seconds = 98 seconds (63+7+28)

    63 seconds/98 seconds = 0.6429 or 64.29%
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