Mathematics, 21.11.2019 02:31, Wildstyle3000

4) we want a 99% confidence interval for the average amount of time (in minutes) spent commuting to work in a large city. the interval is to have a margin of error of no more than 3 minutes, and the amount of time spent commuting has a normal distribution with a standard deviation  = 18 minutes. what numbers of observations are required?

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:30, kana13

Geometry: determine whether segment mn is parallel to segment kl. justify your answer. jm 6 mk 3 jn 8 nl 4

Answers: 1

continue

Mathematics, 21.06.2019 15:00, ejcastilllo

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

Answers: 1

continue

Mathematics, 21.06.2019 15:00, NicoleQuinn

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Answers: 1

continue

Mathematics, 21.06.2019 15:20, trinityrae4657

Beth took out a $20,000 loan for college she is borrowing money from two banks. bank a charges an interest rate of 8.5% bank b charges and interest rate of 10.5% after one year alice owes $1860 in interest how much money did she borrow from bank a

Answers: 3

continue

Do you know the correct answer?

4) we want a 99% confidence interval for the average amount of time (in minutes) spent commuting to...