subject
Mathematics, 08.04.2021 19:10 potato3999

I need help PLEASE! A website streams movies and television shows to millions of users. Employees know that the average time a user spends per session on their website
is 2 hours. The website changed its design, and they wanted to know if the average session length was longer than 2 hours. They randomly
sampled 100100100 users and found that their session lengths had a mean of 2.75 hours and a standard deviation of 1.55 hours.

The employees want to use these sample data to conduct at test about the mean.
Which conditions for performing this type of test did their sample meet?

The data is a random sample from the population of interest

The sampling distribution of x-bar is approximately normal.

Individual observations can be considered independent.

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:30, Quickshotgirl
Which is the length of the hypotenuse of the triangle a. 94ft b. 214 ft c. 33ft d. 37 ft
Answers: 1
image
Mathematics, 21.06.2019 17:00, YwnDerek
Which inequality comparing two of the expressions is true when 0.7 < x < 0.9
Answers: 1
image
Mathematics, 21.06.2019 19:00, sara12340
What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100
Answers: 1
image
Mathematics, 21.06.2019 21:30, quinteroalex2001
You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?
Answers: 2
You know the right answer?
I need help PLEASE! A website streams movies and television shows to millions of users. Employees k...

Questions in other subjects:

Konu
Mathematics, 06.04.2021 02:10
Konu
Biology, 06.04.2021 02:10