SOLUTION: A box contains 15 large marbles and 18 small marbles. each marble is either green or white. 8 of the large marbles are green and 8 of the small marbles are white. If a marble is r

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Question 629926: A box contains 15 large marbles and 18 small marbles. each marble is either green or white. 8 of the large marbles are green and 8 of the small marbles are white. If a marble is randomly selected from the box, what is the probability that it is large or white? Enter your answer as a fraction or a decimal number rounded to 3 decimal places. If you could explain it step by step it would be GREATLY appreciated!
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

(8 of the large marbles are green and 8 of the small marbles are white)

A box contains 15 LARGE marbles(8G,7W) and 18 small marbles(8w,10g). 33 in ALL

marble is randomly selected from the box

P(large or white) =  P(LARGE) + P(white) - P(BOTH)= 15/33 + 15/33 - 7/33