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Assignment help 1757

by | Jun 24, 2023 | Posted Assignments

An economist uses the price of a gallon of milk as a measure of inflation. She finds that

the average price is \$3.50 per gallon and the population standard deviation is \$0.33. You

decide to sample 40 convenience stores, collect their prices for a gallon of milk, and compute

the mean price for the sample.

a. What is the standard error of the mean in this experiment?

b. What is the probability that the sample mean is between \$3.46 and \$3.54?

c. What is the probability that the difference between the sample mean and the population

mean is less than \$0.01?

d. What is the likelihood the sample mean is greater than \$3.60?

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