Question: Problem 2 (15 points): The data below show the concentrations in parts per million of carbon monoxide in air samples taken near a California freeway

Problem 2 (15 points): The data below show the concentrations in

Problem 2 (15 points): The data below show the concentrations in parts per million of carbon monoxide in air samples taken near a California freeway on several different days: 102.2,100.4, 98.6, 33.2, 23.3, 33, 34.2, 94.3 1051,1032, 1112,1033, 105.2, 103.2, 99, 93.3 Assume the concentration on a randomly chosen day is normally distributed with mean 11 and variance 02. (a) Find the 95% two-sided confidence interval for 11. (b) Find the 90% two-sided confidence interval for 03

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