SOLUTION: There are seven nickels and five dimes in your pocket. Three times, you randomly pick a coin out of your pocket, return it to your pocket, and then mix-up the change in your pocket

Question 1181039: There are seven nickels and five dimes in your pocket. Three times, you randomly pick a coin out of your pocket, return it to your pocket, and then mix-up the change in your pocket. All three times, the coin is a nickel. Find the probability of this occurring.
Answer by ikleyn(52778) (Show Source): You can put this solution on YOUR website!
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There are seven nickels and five dimes in your pocket. Three times, you randomly pick a coin out of your pocket,
return it to your pocket, and then mix-up the change in your pocket. All three times, the coin is a nickel.
Find the probability of this occurring.
~~~~~~~~~~~~~~~~~~~

The probability to draw a nickel is   =   at each single separate trial.


The probability to have such outcome in three trials, as described in this experiment, is  


     = 0.1985 = 19.85% (rounded).    ANSWER

Solved, answered and explained.

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