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  3. you may need to use the appropriate appendix table

You may need to use the appropriate appendix table or technology to answer this question...

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You may need to use the appropriate appendix table or technology to answer this question A random sample of 85 airline pilots recruited by an airline service had an average yearly income of 99 100 with a standard deviation of 11 000 a If we want to determine a 95 confidence interval for the average yearly income of the population what is the value of t Round your answer to three decimal places t b Develop a 95 confidence interval for the average yearly income of all pilots in dollars Round your answers to the nearest dollar to

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