We intend to estimate the average driving time of a group of commuters. From a previous study, we believe that the average time is 68 minutes with a standard deviation of 12 minutes. We want our 90 percent confidence interval to have a margin of error of no more than plus or minus 1 minutes. What is the smallest sample size that we should consider
Answers: 3
Other questions on the subject: SAT
SAT, 26.06.2019 06:00, avahrider1
Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.
Answers: 1
SAT, 29.06.2019 14:50, williams6129
All of the following items are important to know when diagnosing an engine driveability problem except for thea. type of gasoline usedb. brand of engine oil usedc. temperature of the engine when the problem occursd. list of previous repairs
Answers: 1
SAT, 30.06.2019 17:00, dylan6981
The length of each side of a square is 1 centimeter more than the width of the rectangle. the length of the rectangle is 1 centimeter less than twice it’s width. the perimeters of the two figures are equal. determine the measures of the side lengths of the rectangle. show all work i have a test tomorrow
Answers: 1
You know the right answer?
We intend to estimate the average driving time of a group of commuters. From a previous study, we be...
Questions in other subjects:
Mathematics, 23.06.2019 23:00
