# Question: A local gasoline dealership in a small town wants to

A local gasoline dealership in a small town wants to estimate the average amount of gasoline that people in that town use in a 1-week period. The dealer asked 44 randomly selected customers to keep a diary of their gasoline usage, and this information produced the following data on gas used (in gallons) by these people during a 1-week period. The population standard deviation is not known.

Construct a 95% confidence interval for the average weekly gas usage by people in this town.

Construct a 95% confidence interval for the average weekly gas usage by people in this town.

**View Solution:**## Answer to relevant Questions

A random sample of 25 life insurance policyholders showed that the average premium they pay on their life insurance policies is $685 per year with a standard deviation of $74. Assuming that the life insurance policy premiums ...A company that produces 8-ounce low-fat yogurt cups wanted to estimate the mean number of calories for such cups. A random sample of 10 such cups produced the following numbers of calories. Construct a 99% confidence ...An economist wants to find a 90% confidence interval for the mean sale price of houses in a state. How large a sample should she select so that the estimate is within $3500 of the population mean? Assume that the standard ...A gas station attendant would like to estimate p, the proportion of all households that own more than two vehicles. To obtain an estimate, the attendant decides to ask the next 200 gasoline customers how many vehicles their ...The standard deviation for a population is σ = 7.14. A random sample selected from this population gave a mean equal to 48.52. a. Make a 95% confidence interval for µ assuming n = 196. b. Construct a 95% confidence ...Post your question