A box contains 79 red marbles, 76 white marbles, and 41 blue marbles. If a marble...
A box contains 79 red marbles, 76 white marbles, and 41 blue marbles. If a marble is randomly selected from the box, what is the probability that it is red or blue? Express your answer as a simplified fraction or a decimal rounded to four decimal places.
Homework Answers
Total marbles = 79 + 76 + 41 = 196
Number of red or blue marbles = 79 + 41 = 120
So,
P(Red OR blue ) = N(Red OR blue) / Total marbles
= 120 / 196
= 30/49 ( = 0.6122 )
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