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15 November, 17:15

A local weather forecaster is accurate 85% of the time when predicting precipitation for the day. What is the probability that she will make correct precipitation predictions 4 days in a row? Round to the nearest whole percent.

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  1. 15 November, 18:30
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    P (predicting weather for 1st day) n = 0.85

    P (predicting weather fo1st day AND 22nd day And 3rd day AND 4rth day) =

    P (0.85) ⁴ = 0.522
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