If there is a 90% chance of rain tomorrow and a 70% chance of wind and rain, how many percent is the probability that it is wind
y, given that it is rainy? Round your answer to the nearest percent.
A) 67%
B) 71%
C) 33%
D) 78%
2 answers:
You have the chance of rain
P(R) = 0.9
And the chance of wind and rain
P(R∩ W)=0.7
The probabilities of windy weather is
P(W)=
=
=0.78
The correct answer then is D) 78%
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