1. Data was collected on the approximate retail price (in $) and the energy cost per year (in $) for 25 microwaves. What is the foremost way for presenting this data?

a. A contingency table

b. A scatter plot

c. A pie chart

d. A Pareto chart

e. A doughnut graph

2. Computer integrity is important, especially for a law enforcement agency. In a division with 200 computers, 12 will most likely have malicious software or ransom ware. If a random sample of 20 computers are inspected, what is the probability that 3 have software issues?

a. 0.0665

b. 0.0833

c. 0.2783

d. 0.7283

e. 0.8421

3. A random sample of pedestrians, broken down by gender were asked their opinion on the changes in the DC Code. The data is reported in the table below. Of those that agreed with the plan, what percentage were male?

\fDC Code Agreed Neutral Against Female 38 54 12 Male 12 36 48