The data in the figure below represents the annual salaries of 120 professional mathematicians.
The mean salary for this group of mathematicians is
A. the same as the median.
B. less than the median.
C. $50,000.
D. greater than the median.
E. none of these
Answer: D
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Solve the problem. Round your answer to 5 decimal places when necessary.The table shows the leading causes of death for one country in a single recent year. 
Assume a population of 90.5 million.What is the death rate due to accident in deaths per 100,000 of the population
A. 0.4525 deaths per 100,000 B. 50 deaths per 100,000 C. 500 deaths per 100,000 D. 4.525 deaths per 100,000
If two fair dice, one red and one white, are rolled, in how many ways can the result be obtained?The sum of the numbers showing is either 4 or 5 and the white die is a 2.
A. 7 ways B. 12 ways C. 11 ways D. 2 ways
Evaluate the expression for the given values of the variables.x2 + 6x + 8 for x = 9
A. 71 B. 80 C. 143 D. 95
Executive Limousine Service recently acquired limousines worth $120,000. The projected returns over the next 3 yr, the time period the limousines will be in service, are $80,000 at the end of the first year, $60,000 at the end of the second year, and $40,000 at the end of the third year. Find the internal rate of return on the investment. Round your answer to the nearest hundredth, if necessary. ? __________ % per year
Fill in the blank(s) with the appropriate word(s).