1. Average daily hotel room rates in two different American cities are given as

1. Average daily hotel room rates in two different American cities are given as follows: If we cannot assume the variances to be equal, construct a 99% confidence interval for the two differences of the two means. 2. If, based on a sample of size 300, a political candidate found that 165 people would vote for him in a two person contest, can she be reasonably certain of victory? Find a 99% confidence interval and explain.

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