An article reported that for a sample of 59 kitchens with gas cooking appliances monitored during a one-week period, the sample mean Co, level (ppm) was 654.16, and the sample standard deviation was 163.7. (a) Calculate and interpret a 95% (two-sided) confidence interval for true average CO, level in the population of all homes from which the sample was selected. (Round your answers to two decimal places) 611 50 x 096 82 x ppm

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