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An urn contains 13 red marbles and 11 blue marbles. 12 marbles are chosen at random. What is the probability that 7 red marbles are chosen?
An urn contains 13 red marbles and 11 blue marbles. 12 marbles are chosen at random. What is the probability that 7 red marbles are chosen?
a) 0.000034
b) 0.000805
c) 0.293175
d) 0.000635
e) 0.000293
f) None of the above.