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Suppose you have a bag that contains 2 black and 8 striped marbles. You select one marble, replace it, and then select another. Find the probability that you will select two black marbles in a row.

 Mar 1, 2021
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We  have two chances  in ten  on each draw of selecting  a black  marble

 

2/10  *  2/10   =   4 / 100  = 1/25   =    4%  chance

 

 

cool cool cool

 Mar 1, 2021

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