a bag contains 50 marbles. there are 31 blue, 6 green, 2 red, 7 yellow, and 4 black marbles. without looking, girl reaches into the bag and draws one marble. what is the probability she draws a blue marble?
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Step-by-step explanation:
no. of blue marbles = 31
total marbles = 50 + 31 + 6 + 2 + 7 + 4 = 100
probability = 31/100 = 0.31
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