A company wants to study sales by customers who are grouped by gender (e.g. Male, Female). Which of the following graphs would be the best for displaying this data?

Bar chart

Pie chart

Histogram

Pareto chart

Thirty percent of the cars that come into our repair shop need an oil change. On Saturday, we expect 50 cars to come in. We want to determine the probability that at least 25 will need an oil change. What statistical method would we best to use?

Histogram

Conditional probability

Binomial probability distribution

Normal probability distribution

The residents of State A complain that their property taxes are too high compared with resident with State B. Which of the following would NOT be a justification for the higher property taxes in state A?

The number of people that live in the state

Voting day in state A is Tuesday compared to Thursday in state B

Property values

Quality of roads

Quality of school system