NatSuki2006 NatSuki2006

11-05-2018
Mathematics

contestada

The probability that it will snow on Friday is 70%, and the probability that it will snow on Saturday is 50%.

What is the probability that it will snow on both days? Express your answer as a decimal rounded to the nearest hundredth.

What is the probability that it will not snow on either day? Express your answer as a decimal rounded to the nearest hundredth.

Respuesta :

20-05-2018

P(Snow Friday) = 0.7, P(No Snow Friday) = 1-0.7 = 0.3
P(Snow Saturday) = 0.3, P(No snow Saturday) = 1-0.3 = 0.7

Then,
P(Snow Friday) and P(Snow Saturday) = 0.7*0.3 = 0.21

P(No snow Friday) and P(No snow Saturday) = 0.3*0.7 = 0.21

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