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10 April, 01:34

There are 7 red, 8 green, and 6 blue marbles

in bag. Kate is going to select one marble at

random. What is the probability that she will

select a green or blue marble?

+5
Answers (2)
  1. 10 April, 02:22
    0
    (8+6) / (7+8+6)

    =14/21

    =0.67

    =67%
  2. 10 April, 03:56
    0
    14/21

    Step-by-step explanation:

    Total marbles = 7+8+6 = 21

    7 Red

    8 Green

    6 Blue

    Probability of choosing Red = 7/21

    Probability of choosing Green = 8/21

    Probability of choosing Blue = 6/21

    Probability of choosing Green or Blue = 8/21 + 6/21 = 14/21
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