Question: Question Completion Status: QUESTION 9 In a sample of 54 kitchens with gas cooking appliances monitored during a one-week period, the sample mean CO2 level

Question Completion Status: QUESTION 9 In a sample of 54 kitchens with gas cooking appliances monitored during a one-week period, the sample mean CO2 level (ppm) was 654.16, and the sample standard deviation was 163.7. Suppose that a rough guess of 176 for the value of s was made before collecting data. What sample size would be necessary to obtain an interval width of 47 ppm for a confidence level of 95%? Round your answer up to the nearest whole number

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