This is a binomial experiment in which .
of americans order toppings on their pizza.
Therefore, and .
Find the propbability of each possible value for using Binomial probability formula.
Make a table for the propbability distribution of :










Graph:
Plot the bar graph of the data in the table.
.
Find the mean, variance and standard deviation.
Mean of a Binomial distribution is .
Substitute and in the formula.
.
Variance of a Binomial distribution is .
Substitute , and in the formula.
Standard deviation of a Binomial distribution is .
Mean of the distribution is about .
On an average out of 5 teenagers order toppings on their pizza.
Variance of a Binomial distribution is .
Standard deviation is about .
On an average out of 5 teenagers order toppings on their pizza.
Table:










Graph of the binomial distribution:
Mean of the distribution is about .
Variance of a Binomial distribution is .
Standard deviation is about .
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