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In: Statistics and Probability

How much experience do supply-chain transportation managers have in their field? Suppose in an effort to...

How much experience do supply-chain transportation managers have in their field? Suppose in an effort to estimate this, 41 supply-chain transportation managers are surveyed and asked how many years of managerial experience they have in transportation. Survey results (in years) are shown below. Use these data to construct a 99% confidence interval to estimate the mean number of years of experience in transportation. Assume that years of experience in transportation is normally distributed in the population.

9 8 10 21 20
25 14 6 19 3
1 9 11 2 3
13 2 4 9 4
5 4 21 7 6
3 28 17 27 2
25 8 13 17 27
7 3 15 4 17
6

(Round the intermediate values to 3 decimal places. Round your answers to 3 decimal places.)

  ≤ μ ≤  

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