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anonymous
 one year ago
If there is a 10% 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.
anonymous
 one year ago
If there is a 10% 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.

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kropot72
 one year ago
Best ResponseYou've already chosen the best response.0Probability of sun P(S) = 0.1 Therefore the probability of no sun P(NS) = 1  0.1 = 0.9 Let the probability of wind, given that it is not sunny, be P(W). It is given that \[\large P(W \cap NS)=0.2\] However \[\large P(W \cap NS)=P(W) \times P(NS)\] Therefore we can write \[\large P(W)=\frac{P(W\cap NS)}{P(NS)}=\frac{0.2}{0.9}=you\ can\ calculate\] When you have calculated the value of P(W) you need to multiply the decimal value by 100 to convert it to a percentage.
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