Mathematics, 20.02.2020 19:25 mazielynn84
Gasoline Prices. The U. S. Energy Information Administration (US EIA) reported that the average price for a gallon of regular gasoline is $2.94. The US EIA updates its estimates of average gas prices on a weekly basis. Assume the standard deviation is $.25 for the price of a gallon of regular gasoline and recommend the appropriate sample size for the US EIA to use if they wish to report each of the following margins of error at 95% confidence. a.The desired margin of error is $.10.b. The desired margin of error is $.07.c. The desired margin of error is $.05.
Answers: 3
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Gasoline Prices. The U. S. Energy Information Administration (US EIA) reported that the average pric...
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