Asked by Sabrina
On a 3 day vacation to Seattle the local weather forecaster predicts a 60% chance of rain everyday.What is the probability that it will rain everyday of the vacation.(round to the nearest thousandth)
Answers
Answered by
Reiny
Prob(rain 1stday)*prob(rain 2nd day)*prob(rain 3rd day)
= (.6)(.6)(.6) = .216
= (.6)(.6)(.6) = .216
Answered by
drwls
I do not believe you can apply statistics to weather in the manner described... Especially in Seattle, where rainy periods come in long cycles that are often incorrectly predicted. (I am from Seattle, and spend a month or two there every year). The weather you get one day is strongly correlated with that of previous days.
Reiny has given you the answer they are probably looking for, but I believe a more realistic value is more like 35%.
They picked a poor example for teaching purposes.
Reiny has given you the answer they are probably looking for, but I believe a more realistic value is more like 35%.
They picked a poor example for teaching purposes.
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