You randomly draw a marble from a bag of marbles that contains 7 blue marbles, 2 green marbles, and 1 red marble. what is the probability not draw a blue marble

0.3

Step-by-step explanation:

It is given that,

Number of blue marbles = 7

Number of green marbles = 2

Number of red marbles = 1

Total number of marbles = 7+2+1=10

We need to find the probability that we do not draw a blue marble.

Therefore, the required probability is 0.3.

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