Stats Chapter 6 Review

How do you find the mean?

How do you find the standard deviation?

The total people in a room is

• discrete variable

• continuous variable

The length you hit a baseball is

• discrete variable

• continuous variable

The speed you drive from one town to another

• discrete variable

• continuous variable

The number of cards in a deck is

• discrete variable

• continuous variable

What is NOT a requirement for a binomial probability distribution?

• trials must be independent

• 2 outcomes, success of failure

• a success must take place

• probability of success is same under identical conditions

Which is not an outcome in a binomial probability distribution?

• success

• failure

• tie

What range is most of the data value for a binomial distribution?

If the number of trials is 20 and the probability of a success is 0.30, what is the mean?

• 6

• 14

• 4.2

• 2.05