# Statistics Examples

, ,

Find the mean of the binomial distribution using the formula.

The population proportion is the number of true results divided by the total samples .

Fill in the known values.

Simplify the expression.

Fill in the known values to find .

Simplify the denominator.

Rewrite as .

Multiply by .

Simplify.

Combine.

Raise to the power of .

Raise to the power of .

Use the power rule to combine exponents.

Add and .

Rewrite as .

Combine using the product rule for radicals.

Multiply by .

Simplify the numerator.

Multiply by .

To write as a fraction with a common denominator, multiply by .

Write each expression with a common denominator of , by multiplying each by an appropriate factor of .

Combine.

Multiply by .

Combine the numerators over the common denominator.

Rewrite in a factored form.

Factor out of .

Reorder the expression.

Reorder and .

Move .

Reorder and .

Factor out of .

Factor out of .

Factor out of .

Apply the distributive property.

Combine and .

To write as a fraction with a common denominator, multiply by .

Write each expression with a common denominator of , by multiplying each by an appropriate factor of .

Combine the numerators over the common denominator.

To write as a fraction with a common denominator, multiply by .

Write each expression with a common denominator of , by multiplying each by an appropriate factor of .

Combine.

Multiply by .

Combine the numerators over the common denominator.

Multiply the numerator by the reciprocal of the denominator.

Combine and .

Move the negative in front of the fraction.

Multiply by .

Simplify.

Combine.

Raise to the power of .

Raise to the power of .

Use the power rule to combine exponents.

Add and .

Rewrite as .

Reduce the expression by cancelling the common factors.

Cancel the common factor.

Rewrite the expression.

Multiply and .

Move to the left of .

Divide by .

Multiply the numerator by the reciprocal of the denominator.

Multiply by .

Simplify.

Combine.

Raise to the power of .

Raise to the power of .

Use the power rule to combine exponents.

Add and .

Rewrite as .

Multiply by .

Multiply by .

Factor out of .

Separate fractions.

Evaluate the root.

Divide by .

Divide by .

Multiply by .

Multiply .

Multiply by .

Combine and .

Multiply by .

Move the negative in front of the fraction.