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