The US energy information administration reported that the average price for a gallon of regular gasoline is $3.94. The US EIA updates its estimates of the average gas prices on a weekly basis. Assume the standard deviation is $0.25 for the price of a gallopn 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 $0.10. b. The desired margin of error is $0.07. use excel please
The US energy information administration reported that the average price for a gallon of regular gasoline is $3.94. The US EIA updates its estimates of the average gas prices on a weekly basis. Assume the standard deviation is $0.25 for the price of a gallopn 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 $0.10. b. The desired margin of error is $0.07. use excel please
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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The US energy information administration reported that the average price for a gallon of regular gasoline is $3.94. The US EIA updates its estimates of the average gas prices on a weekly basis. Assume the standard deviation is $0.25 for the price of a gallopn 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 $0.10.
b. The desired margin of error is $0.07.
use excel please
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