each of the computer database of the Marriot and Westin hotels are given in th following table. Marriot Westin Sample means 150 165 Sample standard deviations 30 35 Find a 98% confidence interval for the difference in the average room rates for the Marriot and the Westin Hotels. Is there a possibility of no difference in the average room rates? A. (-30.19, 0.19); Yes B. (-30.19, 0.19): No

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