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
Another question on Mathematics
Mathematics, 21.06.2019 20:00
Landon wrote that 3−2.6=4. which statement about his answer is true?
Answers: 1
Mathematics, 21.06.2019 20:30
East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy
Answers: 1
Mathematics, 22.06.2019 01:00
Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units
Answers: 3
Mathematics, 22.06.2019 02:00
Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?
Answers: 2
You know the right answer?
The u. s. energy information administration (us eia) reported that the average price for a gallon of...
Questions
Mathematics, 26.01.2021 18:40
Social Studies, 26.01.2021 18:40
Mathematics, 26.01.2021 18:40
Biology, 26.01.2021 18:40
Mathematics, 26.01.2021 18:40
Mathematics, 26.01.2021 18:40
Mathematics, 26.01.2021 18:40
Mathematics, 26.01.2021 18:40
Physics, 26.01.2021 18:40
Mathematics, 26.01.2021 18:40
Mathematics, 26.01.2021 18:40
