This question practices conditional probability with multiple outcomes on the second draw.
\( \begin{array}{l}\text{A bag contains 3 red, 5 green, and 2 blue marbles.} \\ \text{One marble is drawn and not replaced.} \\ \text{What is the probability of drawing a red or blue marble on the second draw,} \\ \text{given that the first draw was green?}\end{array} \)
Choose one option:
Subtract the first draw from the total and count how many marbles meet the condition for the second draw.
Adjust the total and count remaining marbles that satisfy the desired outcome after the first draw.
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