a bag has 7 blue 3 red and 4yellow marbles a marble is deawn at random what is the probability of drawing (a)a red marble (b)a yellow marble
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Step-by-step explanation:
The number of ways we can choose a ball from a bag is 7+3+2=12
The number of ways we can choose a ball such that it is not blue is 3+2=5
The probability is 5/12
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