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A bag contains 6 red marbles, 2 white marbles, and 1 gray marble.You randomly pick out a marble,record its color,and put it back in the bag. You repeat this process 45 times. How many white or gray marbles do you expect to get ?

Verified Answer :

Pramerios

You should expect 5. There is one grey marble out of 9 total, and that can be expressed as 1/9. Since you repeat it 45 times, it's 1/9 45 times, or 1/9(45). 

\(\frac{1}{9} * \frac{45}{1}\)

145 is 45

91 is 9.

45/9 is 5.


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