Mathematics, 11.06.2021 20:10 ellettm
A professor at a university wants to estimate the average number of hours of sleep
students get during exam week. On the first day of exams, she asked 20 students
how many hours they had slept the night before. The average of the sample was 5.88
with a standard deviation of 1.942. When estimating the average amount of sleep
with a 95% confidence interval, what is the margin of error?
1) 0.9089
2) 0.4342
3) 0.9058
4) 0.7509
5) 0.4508
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 18:00
Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.
Answers: 1
Mathematics, 21.06.2019 18:50
Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5
Answers: 1
Mathematics, 21.06.2019 21:00
God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.
Answers: 1
You know the right answer?
A professor at a university wants to estimate the average number of hours of sleep
students get dur...
Questions
Computers and Technology, 09.03.2020 01:31
Mathematics, 09.03.2020 01:31
Mathematics, 09.03.2020 01:31
Mathematics, 09.03.2020 01:32
Mathematics, 09.03.2020 01:32
Mathematics, 09.03.2020 01:32
English, 09.03.2020 01:32
