SOLUTION: The probability that it will rain on Saturday is 45% and the probability that it will rain on Sunday is 40% . If there is a 15% chance of rain on both Saturday and Sunday, wh

Algebra ->  Probability-and-statistics -> SOLUTION: The probability that it will rain on Saturday is 45% and the probability that it will rain on Sunday is 40% . If there is a 15% chance of rain on both Saturday and Sunday, wh      Log On


   

Question 1154705: The probability that it will rain on Saturday is 45%
and the probability that it will rain on Sunday is
40% . If there is a 15% chance of rain on both
Saturday and Sunday, what is the probability of
rain on either Saturday or Sunday?
Answer by ikleyn(52802) About Me  (Show Source):
You can put this solution on YOUR website!
.

P(either Saturday or Sunday) = P(Saturday) + P(Sunday) - P(Saturday and Sunday) = 45% + 40% - 15% = 70%.    ANSWER