Arecent study of the hourly wages of maintenance crew members for major airlines showed that the mean hourly wage was $20.50, with a standard deviation of $3.50. assume the distribution of hourly wages follows the normal probability distribution. we select a crew member at random. use appendix b.3.

Moody farms just paid a dividend of $3.95 on its stock. the growth rate in dividends is expected to be a constant 5 percent per year indefinitely. investors require a return of 14 percent for the first three years, a return of 12 percent for the next three years, and a return of 10 percent thereafter. what is the current share price?

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The prebisch–singer hypothesis concludes that: a. technology lowers the cost of manufactured products, so developing countries should see an increase in their terms of trade. b. developing countries experience a long-run decline in their terms of trade, as the demand for primary products in higher-income countries declines relative to their demand for manufactured goods. c. because of unfair trading practices, labor in developing countries is exploited. d. opec has been responsible for a slowdown in the world's standard of living.