SOLUTION: The probability of rain on July 4th in Chicago is 0.35. The probability of snow in Chicago on January 1st is 0.4. What is the probability that it will either rain on July 4th or sn

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Question 258547: The probability of rain on July 4th in Chicago is 0.35. The probability of snow in Chicago on January 1st is 0.4. What is the probability that it will either rain on July 4th or snow on January 1st in Chicago (but not both)?
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
The key part of the question is "OR". Or means to add.
So,
P(rain july 4 OR snow jan 1) = .35 + .4 = .75