SOLUTION: Given P(E) = 0.46, P(F) = 0.49, and P(E and F) = 0.15, what is P(E or F)?

Algebra ->  Probability-and-statistics -> SOLUTION: Given P(E) = 0.46, P(F) = 0.49, and P(E and F) = 0.15, what is P(E or F)?      Log On


   

Question 1186943: Given P(E) = 0.46, P(F) = 0.49, and P(E and F) = 0.15, what is P(E or F)?
Answer by ikleyn(52886) About Me  (Show Source):
You can put this solution on YOUR website!
.
Given P(E) = 0.46, P(F) = 0.49, and P(E and F) = 0.15, what is P(E or F)?
~~~~~~~~~ 


Use a general probability theory identity / formula


    P(E or F) = P(E) + P(F) - P(E and F) = 0.46 + 0.49 - 0.15 = 0.8.    ANSWER

Solved and explained.