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1.) Tire Kingdom installs automobile tires on a first-come first-served basis. A random sample of 45...

1.) Tire Kingdom installs automobile tires on a first-come first-served basis. A random sample of 45 customers experienced an average wait time of 102.7 minutes. Assume that the standard deviation of total wait time for all customers is 17.0 minutes. Determine the margine of error for a 90% confidence interval for this sample.

2.) Tire Kingdom installs automobile tires on a first-come first-served basis. A random sample of 45 customers experienced an average wait time of 102.7 minutes. Assume that the standard deviation of total wait time for all customers is 17.0 minutes. Determine the 95% confidence interval for this sample.

3.) Suppose a random sample of 32 National Football League players had an average weight of 252.5 pounds. Assume that the standard deviation for weight of all players in the league is 31.1 pounds. Determine the margin of error for a 99% confidence interval for this sample.

4.) Suppose a random sample of 32 National Football League players had an average weight of 252.5 pounds. Assume that the standard deviation for weight of all players in the league is 31.1 pounds. Determine the 80% confidence interval for this sample.

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DATE: Soluion ザー- Given that a45 degaees oT Freedom-145 10 2 minutes 1-50% 2. 4S E4 2S7

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