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Samuel has 2 pink, 2 red and 10 white marbles in a bag. Samuel draws one marble randomly, writes down the color and puts it back. Samuel repeats the process one more time. What is the probability that Samuel selected a red marble each time?
$\dfrac{6}{7}$
$\dfrac{1}{49}$
$\dfrac{1}{7}$
$\dfrac{3}{49}$
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