There are four blue marbles, an unknown number of red (r) marbles, and six yellow marbles in a bag. Which expression represents
the probability of randomly selecting a blue marble, replacing it, and then randomly selecting a red marble
1 answer:
Answer:
There are a total of 4 + r + 6 marbles in the bag
The probability of a blue is 
The probability of a red is 
The probability of choosing a blue, replacing it and then a red is
× = [tex]\frac{4r}{100+20r+ r^{2} /[tex]
Step-by-step explanation:
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