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

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 

A certain stock lost 60% of its value yesterday, but it jumped up 80% today. Calculate how much (what %) the stock went up or down in value during the two-day period.  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”?

Hamilton’s Method of apportionment is the fairest of all because it favors more popular states.

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

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. 

Based on the Richter scale, a magnitude 5.0 earthquake has twice as much energy as a magnitude 2.5 earthquake.

If the population increases by 8% every year, how many years does it take for the population to double? 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. 

Find the negation of the statement “Everyone needs to be tested for COVID-19.”