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Individual Rounds in the Math Masters Competitions are timed (10 minutes), and calculators are allowed.

Note: Test Preparation Packets containing hundreds of problems (fact drills, individual and team) from previous years' competitions can be ordered from Math Masters of Minnesota.

Note that some of the information is missing from the table.

Source	Percent
Natural gas	26.1
Crude oil
Coal	31.2
Nuclear electric	7.6
Hydroelectric
Natural gas (liquid)	3.5

Use the above information to answer questions 1 and 2.

1. What is the measure (in degrees) of the central angle for the sector representing Coal?

2. What percent of total energy production was provided by Crude oil? Round answer to the nearest percent.

Use the above information to answer questions 4-8.

4. What is the total number of children living in Cummings Lodge?

5. How many families had six or more children?

6. What percent of families had fewer than 3 children?

7. A small land developer wants to build one house designed for the "typical" family. The survey results show that there are three children in the "typical" family. What percent of families can be classified as "typical"?

8. The town council will present a prize to one of the families living in Cummings Lodge. If the lucky family is selected at random, what is the probability that there are exactly five children in the family? Write your answer as a fraction in simplest form.