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28 September, 11:18

If there is a 30% chance of sun tomorrow and a 20% chance of wind and no sun, what is the probability that it is windy, given that it is not sunny? Round your answer to the nearest percent.

A. 44%

B. 29%

C. 22%

D. 57%

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  1. 28 September, 13:38
    0
    It's B 29%

    You know there's a 20% chance of wind and no sun.

    And there must be a 70% chance of no sun. Since there's a 30% chance of sun

    If you divide 0.20 / 0.70 you get. 2857 which rounds to 29%.
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