Tonight, please complete the "Pop Quiz" worksheet provided in class! This just counts as homework for tonight, but it would've been a quiz--so these are some things I expect you to know how to do at this point!

**Also, please be sure to add (and answer) the following questions! If these are missing you will only earn half credit!**

6.) Create a 90% confidence interval using your graphing calculator. (Press STAT, go to TESTS, choose ONE PROP Z INT, then enter the x, n, and confidence level; then choose calculate). You should get (0.72924, 0.75076).

7.) Interpret the meaning of the 90% confidence interval (0.72924, 0.75076).

And here are the rest of the homework questions in case you lost yours:

Pop Quiz! Context and Confidence Intervals!

A Rutgers University study released in 2002 found that many high-school students cheat on tests. The researchers surveyed a random sample of 4500 high school students nationwide; 74% of them said they had cheated at least once.

1.       Identify the sample size and describe the sample from which we obtained our data. (2 points)

2.       Define the population of interest. (2 points)

3.       What is the population parameter of interest? That is, what (type of) value are you trying estimate (about the population)? (2 points)

4.       Identify each of the following: (3 points)

 p-hat = ___________                        q-hat = ___________                        x = ___________           

5.       Verify that the conditions for a one-proportion z-interval are satisfied. BE DETAILED in your explanations! (6 points)