Question 1157976
<i><b>a. if a marble is drawn from each urn. What is the probability that they are both of the same color?</b></i>
<pr>
(5/8 * 2/8) + (3/8 * 6/8) = 10/64 + 18/64 = 28/64 = <b>7/16</b>
<pr>
<i><b>b. if two marbles are drawn from each urn, what is the probability that all four marbles are of the same color?</b></i>
<pr>
(5/8 * 4/7 * 2/8 * 1/7) + (3/8 * 2/7 * 6/8 * 5/7) = 40/3136 + 180/3136 = 220/3136 = <b>55/784</b>