Problems 1-6
There are the essential ideas for this section. Be sure to check your answers with those given in the answer section at the back of your textbook.

Problems 7-9
See Example 3.

Problems 10-13
See Example 5. Use the definition of probability to find the probabilities. Write these fractions as decimals and then round the decimals to two places.

Problem 14
See Example 4.

Problems 15-18
Use Table 9.1 to find s and the directions of these problems to find n, and then use the definition of probability. Leave your decimals in calculator form.

Problems 19-22
See Example 7.

Problems 23-26
See Example 9.

Problems 27-31
See Example 8.

Problem 32
Actually perform this experiment or you can simulate the experiment using the coin-flipping simulation listed under the links.

Problems 33-35
Actually perform these experiments and keep track of the results.

Problems 36-42
See Example 8.

Problems 43-48
See Example 6.

Note: Homework Hints are given only for the levels 1 and 2 problems. You can also check some sources for homework help on the Internet (see Links, below), or you can call the author at (707) 829-0606 or send an e-mail to: smithkjs@mathnature.com