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A bag contains 8 red marbles, 4 blue marbles, and 1 green marble. If a marble is selected at random, what is the probability that it is not blue?
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What dimensions can créate more than one triangle ?
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The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
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A bag contains 8 red marbles, 4 blue marbles, and 1 green marble. If a marble is selected at
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