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Mathematics, 14.04.2020 23:17 1031kylepoe03
The average price of a gallon of gasoline in Missouri was $2.77 (as of 10-25-10 according to the AAA Daily Fuel Gauge Report). Suppose it is known that σ^2=0.32. What is the probability that a sample of 72 gas stations taken that same week will have a sample mean within $0.15 of the population mean? (Hint: You may need to use as many as 4+ decimal places in your computations to come up with the correct answer!)
A. 0.9756
B. 0.0240
C. 0.0398
D. 0.4176
E. Almost 1 2128
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The average price of a gallon of gasoline in Missouri was $2.77 (as of 10-25-10 according to the AAA...
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