document.write( "Question 437415: there are 3 red, 2 blue, and 5 green marbles in a bag. William randomly chooses a marble and puts it back into the bag. He repeats this process 70 times. How many times would he be expected to draw a red marble? \n" ); document.write( "

Algebra.Com's Answer #302595 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "10 marbles: 3 red, 2 blue and 5 grean
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document.write( " P(choosing a red) = 3/10
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document.write( " William randomly chooses a marble and puts it back into the bag.  
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document.write( "He repeats this process 70 times.
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document.write( "How many times would he be expected to draw a red marble: 3/10*70 = 21 times \n" );
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