A bag contains 4 red, 5 blue and 7 green marbles

MATHEMATICS · Single correct · AP · AP Statistics · Probability Random Variables Distributions · Probability Random Variables Distributions

Problem

A bag contains 4 red, 5 blue and 7 green marbles. One marble is drawn at random. Find the probability that the marble drawn is either red or green. (a) 916\dfrac{9}{16} (b) 1116\dfrac{11}{16} (c) 1132\dfrac{11}{32} (d) 764\dfrac{7}{64}

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