Toothpaste

• Suppose that the manufacturer’s claim is true- 40% of toothpaste buyers prefer Brand A toothpaste . Use the graph and technology to answer the questions.

• In a random sample of 100, what is the most likely outcome? How likely is it?

-Find p, q, n, and x.

-p=40, q=.60, n=100, x=41

-Go into Excel and use the BINOMDIST and enter the following data, =BINOMDIST(41,100,0.8,FALSE)