# Statistics Examples

Factor out the

Multiply the numerator by the reciprocal of the denominator.

Cancel the common factor of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Simplify the expression.

Apply the product rule to .

Raise to the power of .

Raise to the power of .

Add to get the perfect square trinomial.

Apply the distributive property.

Simplify.

Cancel the common factor of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Multiply by .

Cancel the common factor of .

Factor out of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Combine and .

Multiply by .