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5 October, 16:39

A Weather Forecaster, predicts that their is a 50% chance of rain on Saturday and a 40% chance of rain on Sunday. If these probabilities are correct, what is the probability that it will rain both days?

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  1. 5 October, 19:26
    0
    20% chance.

    Step-by-step explanation:

    If you do not know the formula, here is a quick intuitive method.

    Construct the sample space in a square with 4 divisions

    split one side into 1/2 and 1/2 and the other side into

    .4 and. 6

    You can easily see that the day that it will rain on both days is. 2 (1/2*.4)

    or 20%
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