![subject](/tpl/images/cats/mat.png)
Mathematics, 07.07.2020 22:01 ashvinmsingh
The Nielsen Company reported that U. S. residents aged 18 to 24 years spend an average of 32.5 hours per month using the Internet on a computer.13 You wonder if this it true for students at your large university because so many students use their smartphones to access the Internet. You collect an SRS of n=75 students and obtain ¯x=28.5 hours with s=23.1 hours.
Required:
a. Report the 95% confidence interval for μ, the average number of hours per month that students at your university use the Internet on a computer.
b. Use this interval to test whether the average time for students at your university is different from the average reported by Nielsen. Use the 5% significance level. Summarize your results.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:40
An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:00
28 x 12 + 34 = ? it's for a test that if i fail on i will not proceed into the honor roll society i always dreamed of!me! worth 50 !
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:00
Determine the intercepts of the line that passes through the following points. (15,-3)(15,−3) (20,-5)(20,−5) (25,-7)(25,−7)
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:30
Simplify the rational expression. state any restrictions on the variable. t^2-4t-12 / t-8 the / is a fraction sign.
Answers: 1
You know the right answer?
The Nielsen Company reported that U. S. residents aged 18 to 24 years spend an average of 32.5 hours...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 27.09.2019 20:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.09.2019 20:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 27.09.2019 20:00
![question](/tpl/images/cats/fr.png)
French, 27.09.2019 20:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 27.09.2019 20:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mkx.png)
Arts, 27.09.2019 20:00
![question](/tpl/images/cats/istoriya.png)
History, 27.09.2019 20:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 27.09.2019 20:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 27.09.2019 20:00