subject
Mathematics, 16.04.2020 18:22 student8248

A researcher is interested in estimating that average commute time of people in a city. assume that the commute time follows a normal distribution with a standard deviation of 9.4 minuets. the researcher takes a sample of 10 people and obtains the average communte time of 26.3 minuets. estimate 99% confindence interval for the population mean, that is the error term

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 23:00
Evaluate the function , when d = {9, 15, 30}. r = {5, 7, 12} r = {6, 10, 15} r = {6, 10, 20} r = {5, 12, 20}
Answers: 2
question
Mathematics, 21.06.2019 23:40
Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me
Answers: 1
question
Mathematics, 22.06.2019 01:30
When you find the area of a triangle do you use in. or in2
Answers: 2
question
Mathematics, 22.06.2019 01:30
As a self-employed seamstress, you know that it takes 7 yards of material to make 3 jackets. you bought 15 yards of material to make 7 jackets. did you buy enough material? if not, how much were you over or under?
Answers: 1
You know the right answer?
A researcher is interested in estimating that average commute time of people in a city. assume that...
Questions
question
Mathematics, 20.08.2019 11:50