# Math Probability ?

A bag contains 6 nickels, 5 dimes, and 9 quarters. If you draw 3 coins at random from the bag, without replacement, what is the probability that you will get a nickel, a quarter, and a nickel, in that order?

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- 8 months ago
Draw 1: P = 6/(6+5+9) = 6/20 = 3/10

Draw 2: P = 9/(5+5+9) = 9/19

Draw 3: P = 5/(5+5+8) = 5/18

Multiply them together and you get (3/10) * (9/19) * (5/18) = 135/3420 = 3/76 = 0.039

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- billrussell42Lv 78 months ago
for the first coin, it is 6/20

for the second coin, it is 9/19

for the 3rd coin, it is 5/18

multiply them together to get

(6/20)(9/19)(5/18)

(6/4)(9/19)(1/18)

(3/2)(1/19)(1/2)

3/76 or 0.0395

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- Anonymous8 months ago
A 3.95% chance.

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