Posted by **jake** on Sunday, April 28, 2013 at 11:54am.

A standard die is rolled three times. What is the probability that a prime number

is rolled on exactly one of the three rolls?

- math -
**PsyDAG**, Sunday, April 28, 2013 at 12:07pm
Prime = 2, 3, 5

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.

Rolling prime = 1/2

Rolling non-prime = 1/2

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