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Estimating 95% confidence interval for population mean:

Question 1: A state meat inspector estimated the mean net weight of ground chuck labeled "3 pounds". He realizes they will not be exactly 3 lbs. A sample of 36 packages yielded a mean weight of 3.01 pounds with a std dev of 0.03 lbs.

a) What is the estimated population mean?

b) Determine a 95% confidence interval for the population mean.

Question 2: An important factor in selling a residential property is the number of people going through the home. A sample of 15 homes sold revealed the mean number of people looking through the home was 24 with a std dev of 5 people. Develop a 98% confidence interval for the population mean.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9162593

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