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A certain stock lost 60% of its value yesterday, but it jumped up 80.957% 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. 

A magnitude 5.6 earthquake (on the Richter scale) releases 100 times as much energy as a magnitude 4.6 earthquake.

The population of Westberg is growing linearly. Last year, the population was 200,000. This year, the population is 230,000. What will be Westberg’s population 3 years from now? 

According to Ch. 8 of the textbook, which method of apportionment satisfies all of the fairness criteria?

A healthcare provider has three locations: North, Central, and West. The number of residents each office serves is shown below. There are 90 nurses available in total. Using Hamilton’s Method, determine how many nurses should be assigned to each office.  Write ONLY your answers (the last column) in the response box. Show your work which justifies your answer ON YOUR PAPER. Be sure to answer the question according to what was covered in this course. Do not include anything extra.  Office Residents Quota Min. Q. Remainder Nurses North 31,600 Central 43,000 West 65,400 Total 140,000  

Suppose that a musical instrument is tuned to A4=440 cps (cycles per second). The note one octave higher, A5, is 880 cps. The note another octave higher, A6, isnot 1760 cps. 

Find the probability that a family has at least one boy assuming that they have two children. (You may assume that the probability of a child being a boy is 0.5, or 50%.)

Suppose that the number of people infected with measles in a certain metropolitan area has been doubling every week, and there are 3,200 infected people today. When were there only 100 infected people in that country?

Yet another department is also facing the same options, and their preference schedule is below. This time, use the Condorcet Method to determine the winner if there is one. If there is no Condorcet winner, explain why. [Don’t use the Borda method, which uses points.] # of votes 5 10 9 3 1st choice R H F H 2nd choice H R H F 3rd choice F F R R Write ONLY your answer in the response box. Show your work which justifies your answer ON YOUR PAPER. Be sure to answer the question according to what was covered in this course. Do not include anything extra. 

The Fibonacci sequence starts with 1, 1, 2, 3… and contains the number 155.