Jobs and productivity! How do banks rate? One way to answer this question is to examine annual profits per employee. The following is data about annual profits per employee (in units of 1 thousand dollars per employee) for representative companies in financial services. Assume a 9.2 thousand dollars. 42.5 29.2 41.8 26.4 29.9 34.8 43.2 50.9 42.5 33.0 33.6 36.9 27.0 47.1 33.8 28.1 28.5 29.1 36.5 36.1 26.9 27.8 28.8 29.3 31.5 31.7 31.1 38.0 32.0 31.7 32.9 23.1 54.9 43.8 36.9 31.9 25.5 23.2 29.8 22.3 26.5 26.7 (a) Use a calculator or appropriate computer software to find x for the preceding data. (Round your answer to two decimal places.) thousand dollars (b) Let us say that the preceding data are representative of the entire sector of (successful) financial services corporations. Find a 75% confidence interval for u, the average annual profit per employee for all successful banks. (Round your answers to two decimal places.) lower limit 31.64 thousand dollars upper limit 34.90 thousand dollars (d) Suppose the annual profits are more than 40 thousand dollars per employee. As manager of the bank, would you feel somewhat better? Explain by referring to the confidence interval you computed in part (b). O No. This confidence interval suggests that the bank profits are higher than those of other financial institutions. O Yes. This confidence interval suggests that the bank profits are higher than those of other financial institutions. O Yes. This confidence interval suggests that the bank profits do not differ from those of other financial institutions.

Jobs and productivity! How do banks rate? One way to answer this question is to examine annual profits per employee. The following is data about annual profits per employee (in units of 1 thousand dollars per employee) for representative companies in financial services. Assume o - 9.4 thousand dollars. 41.1 54.4 53.7 50.9 32.0 36.9 46.0 49.5 42.5 33.0 33.6 36.9 27.0 47.1 33.8 28.1 28.5 29.1 36.5 36.1 26.9 27.8 28.8 29.3 31.5 31.7 31.1 38.0 32.0 31.7 32.9 23.1 54.9 43.8 36.9 31.9 25.5 23.2 29.8 22.3 26.5 26.7 (a) Use a calculator or appropriate computer software to find x for the preceding data. (Round your answer to two decimal places.) thousand dollars (b) Let us say that the preceding data are representative of the entire sector of (successful) financial services corporations. Find a 75% confidence interval for u, the average annual profit per employee for all successful banks. (Round your answers to two decimal places.) lower limit thousand dollars upper limit thousand dollars (c)…

1. Estimate the total sales during the first 6 months of the year and the last 6 months of the year. Round your answers to two decimal places. Total sales first 6 months= Total sales last 6 months= b. What are total sales for the entire year? Round your answer to two decimal places. Total sales= c. Find the average sales per month for the entire year. Round your answer to two decimal places. Average sales=

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The "Dogs of the Dow" are the stocks listed on the Dow with the highest dividend yield. The following table shows the top ten stocks of the "Dogs of the Dow" list for 2015, based on their performance the preceding year. HINT [See Example 2.] Symbol Company Price ($) Yield T AT&T 33.59 5.48% VZ Verizon 46.78 4.70% CVX Chevron 112.18 3.82% MCD McDonald's 93.70 3.63% PFE Pfizer 31.15 3.60% GE General Electric 25.27 3.48% MRK Merck 56.79 3.17% CAT Caterpillar 91.53 3.06% XOM ExxonMobil 92.45 2.99% KO Coca-Cola 42.22 2.89% If you selected two of these stocks at random, what is the probability that both the stocks in your selection had yields of 3.75% or more? (Enter your probability as a fraction.)

12. the price was about what in 1984

8. Magazine Sales The following table shows the income, measured in thousands of dollars, from sales of a certain magazine at the start of the given year.

The following data were taken from Miller Company's balance sheet:   Dec. 31, Year 2     Dec. 31, Year 1 Total liabilities $150,000     $105,000 Total stockholders' equity 75,000     60,000 a. Compute the ratio of liabilities to stockholders' equity. Round your answers to one decimal place.   Liabilities toStockholders' Equity 12/31/Year 2: fill in the blank 1 12/31/Year 1: fill in the blank 2 b. Has the creditors' risk increased or decreased from December 31, Year 1, to December 31, Year 2?