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Elena has a bag containing 4 blue marbles, 6 red marbles, and 3 green marbles. she picks 1 marble at random. what is the probability of her picking a blue marble? a 1 in 13 b 1 in 4 c 4 in 13 d 9 in 13

User Papacostas
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So first you add up the total number of marbles

4+6+3=13

For basic probability like this, you put the number of the color you want over the total number of marbles.

This will make your answer C 4 in 13

User Justin K
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