Statistics Examples

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