Refer to Exercise 8.94. a. Determine and interpret a 90% lower confidence bound for the amount of
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a. Determine and interpret a 90% lower confidence bound for the amount of television watched per day last year by the average person.
b. Compare your one-sided confidence interval in part (a) to the (two-sided) confidence interval found in Exercise 8.94(a).
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a n 20 x 4760 s 2297 df 19 t t 010 1328 We can be 90 confident that the population mean amount ...View the full answer
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