Suppose the length of a baseball game is normally distributed with a mean of 150 minutes and a standard deviation of 20 minutes. Then, the z-score (z-value) of a game that lasts for 170 minutes is 

Jefferson’s Method of apportionment is the fairest of all because it favors smaller states.

A market researcher is surveying 50 people he met in a shopping mall when he went there last Thursday afternoon. Which sampling method is used here?

The answer to the question “What is your occupation?” is a quantitative type of data.

The following options are available for a mortgage:  30-year mortgage with monthly payments of $1818.60. 15-year mortgage with monthly payments of $2879.21.  How much will you save overall (for the term of the mortgage) by choosing Option 2 (the shorter loan) compared to Option 1? Write ONLY your answer(s) in the box below. On your own paper, show all your work and justify your answer(s). You will be submitting the paper at the end of this test. 

Which one of the following is logically equivalent to the statement “If you are under 18, you cannot vote”?

For a city parade, the organizers originally estimated they needed about 5200 water bottles for the crowd of 3000 people. Now, they estimate that about 4700 people will come. How many water bottles should they prepare? Write ONLY your answer(s) in the box below. On your own paper, show all your work and justify your answer(s). You will be submitting the paper at the end of this test. 

Your test score is not valid until you sign and date below.  I pledge that I will follow all exam policies including (but not limited to) the following:  I will not communicate with anyone during my exam. I will not use any materials unless they are explicitly authorized by my instructor. I will not use any internet or smart device to aid my exam.  The only website I can use is Canvas to launch and take the exam. I will follow all COC policies of academic integrity. Type your full name and today’s date in the box below. 

Based on the Richter scale, a magnitude 3.5 earthquake has 10 times as much energy as a magnitude 2.5 earthquake.

A user code consists of one alphabet letter and a single-digit number (like “A5” or “S9”). How many user codes are possible?