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Mathematics
Problem
A bag contains 7 red marbles and 3 blue marbles. One marble is drawn at random. What is the probability that the marble drawn is not blue? a)
3
10
\dfrac{3}{10}
10
3
b)
2
5
\dfrac{2}{5}
5
2
c)
7
10
\dfrac{7}{10}
10
7
d)
1
2
\dfrac{1}{2}
2
1
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