Mathematics, 28.01.2020 02:31 trist22
The u. s. energy information administration (us eia) reported that the average price for a gallon of regular gasoline is $3.94 (us eia website, april 6, 2012). the us eia updates its estimates of average gas prices on a weekly basis. assume the standard deviation is $0.25 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 a desired margin of error of $0.05 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: 1
Mathematics, 21.06.2019 14:30, preshoo9941
Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49
Answers: 2
Mathematics, 21.06.2019 23:00, Baby010391
Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122
Answers: 1
The u. s. energy information administration (us eia) reported that the average price for a gallon of...
Mathematics, 27.10.2019 09:43
Mathematics, 27.10.2019 09:43
History, 27.10.2019 09:43
Business, 27.10.2019 09:43
Geography, 27.10.2019 09:43