# Statistics Examples

, ,

Use the formula for the probability of a binomial distribution to solve the problem.

Find the number of possible unordered combinations when items are selected from available items.

Fill in the known values.

Simplify.

Reduce the expression by cancelling the common factors.

Cancel the common factor.

Rewrite the expression.

Simplify the denominator.

Subtract from to get .

Expand to .

Divide by to get .

Fill the known values into the equation.

Multiply by to get .

Remove parentheses around .

Raise to the power of to get .

Subtract from to get .

Subtract from to get .

Remove parentheses around .

Anything raised to is .

Multiply by to get .