Answer:
m= 4/3
Step-by-step explanation:
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Answer:
9,999,995
Step-by-step explanation:
2/5
Since 12 out of 30 marbles were black, you can assume that the percentage of black marbles in the bag is 40% (Ex: 12/30=.4) The probability that the marble you pick is black is equal to the percentage of black marbles in the bag. 40% is equal to 2/5.