Statistics Examples
, ,
Step 1
Use the formula for the probability of a binomial distribution to solve the problem.
Step 2
Find the number of possible unordered combinations when items are selected from available items.
Fill in the known values.
Simplify.
Subtract from .
Rewrite as .
Cancel the common factor of .
Cancel the common factor.
Rewrite the expression.
Expand to .
Divide by .
Step 3
Fill the known values into the equation.
Step 4
Evaluate the exponent.
Multiply by .
Subtract from .
Subtract from .
Raise to the power of .
Multiply by .