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