“Every dog has a tail. Buddy does not have a tail. Therefore, Buddy is not a dog.” This is a valid argument.

Five people went to the same restaurant and recorded how long they had to wait for their meal after ordering (in minutes). The results are as follows:  20, 18, 20, 15, 17 Find the mean, the median, and the mode. Be sure to find all three and indicate which one is which. Write ONLY your answers in the response box. Show your work which justifies your answers ON YOUR PAPER.    

A is the data set {30, 40, 50, 60, 70}.  Make up another data set, B, such that B has the same mean as A, has exactly five numbers as A does, and has a bigger standard deviation than A.  Write your answer in the box below. You do not have to show your work for this problem. 

“You are eligible for this scholarship if your GPA is at least 3.0 or you have passed a calculus course.” Which one of the following student is NOT eligible?  Tom: He has not taken calculus, and his GPA is 3.0. Mari: She has passed Calculus I and II, and her GPA is 2.9. Miguel: He has passed Calculus I, and his GPA is 4.0. Sydney: She has not passed a calculus course, and her GPA is 2.9.

You have 4 songs you would like to listen to. Assuming you listen to every song once, in how many different orders can you accomplish this? 

The statement “Betty is both a mother and an aunt” is not true. Then, she must be

Three coins are tossed. Find the probability that you get EXACTLY two Heads. (That’s two Heads and one Tails in any order.) Write ONLY your answer in the response box. Show your work which justifies your answer ON YOUR PAPER.

If the interest is compounded “12% quarterly,” it really means that they will calculate and add interest at _________________

A research study is conducted to test the effectiveness of a new itching cream. A group of 1000 patients are randomly divided into two groups: group A is given the new medicine while the group B is given a placebo. The patients do not know which group they belong to, and neither do the evaluators/assessors as they interview them about the level of itchiness. What type of research study is this?

As California implemented the “mandatory mask” policy in Spring 2020, the number of new coronavirus cases started to go down for a few months.  What does this say about the “mandatory mask” policy and its effective in slowing down the coronavirus infection in the state of California?