Question: 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

You may need to use the appropriate appendix table or technology

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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