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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.

3 8 10 21 20
25 14 6 19 3
5 9 11 2 3
13 2 4 9 4
5 4 21 7 6
3 28 17 26 2
25 8 13 17 27
7 3 15 4 17
6

math   Statistics-And-Probability   
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