Northeast Commutes. Refer to Exercise 8.129. a. Determine and interpret a 90% upper confidence bound for the

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Northeast Commutes. Refer to Exercise 8.129.

a. Determine and interpret a 90% upper confidence bound for the mean commute time of all commuters in Washington, DC.

b. Compare your one-sided confidence interval in part

(a) to the (twosided) confidence interval found in Exercise 8.129.

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Introductory Statistics

ISBN: 9781292099729

10th Global Edition

Authors: Neil A. Weiss

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