2 years ago

There is a bag filled with 5 blue and 4 red marbles.

Mathematics

1 answer:

anyanavicka [17]2 years ago

7 0

5 blue, 4 red = 9 total

Probability (Blue, Blue) = 5/9 x 5/9 = 25/81 = 0.30864

Probability (Red, Red) = 4/9 x 4/9 = 16/81 = 0.19753

Probability (Blue,Blue) or (Red,Red) = 25/81 + 16/81 = 41/81 = 0.506173

Fraction answer = 41/81

Decimal answer = 0.506173 (round off as needed)

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