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PLEASE EXPLAIN AND SHOW ALL STEPS USED TO GET TO ANSWER! THX! A jar has 2...

PLEASE EXPLAIN AND SHOW ALL STEPS USED TO GET TO ANSWER! THX!

  1. A jar has 2 red marbles and 3 blue marbles. Two marbles are drawn at random without replacement from the jar.

  1. Find the probability that the second marble is red.

  1. Find the probability that the second marble is red, given that the first is blue.   
Math   Statistics-And-Probability   
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