# Binomial probability, rolling dice

A die is rolled 30 times , what is the probability that 6 turns up exactly 5 times?

(30 choose 5)* 1/6ˆ5 * 5/6ˆ25 ?

What is wrong with this?

• i.e. ${30 \choose 5} \left( \frac{1}{6} \right)^5 \left( \frac{5}{6} \right)^{25}$ Oct 20 '11 at 16:12