A random sample of 87 airline pilots recruited by an airline service had an average yearly income of $99,400 with a standard deviation of $12,000

a. If we want to determine a 95% confidence interval for the average yearly income of the population, what is the value of t?
b. Develop a 95% confidence interval for the average yearly income of all pilots.


a. 1.988
b. $96,842.37 to $101,957.63

Business

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Upon completion of an Analytic Hierarchy Process analysis, the CR = 0.047, thus

A) the decision makers' answers are relatively consistent. B) the decision makers' should consider reevaluating their pairwise comparisons. C) no conclusion is available for this value of the CR. D) the decision maker has made near perfectly consistent pairwise comparisons. E) None of the above

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The ________ is the upper and lower limit of an objective function coefficient over which the optimal values of the decision variables remain unchanged

Fill in the blanks with correct word

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It is usually necessary for a firm to use a family brand rather than individual brands if it plans to offer products at different quality and price levels to different target markets.

Answer the following statement true (T) or false (F)

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