× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
e
5
e
4
4
d
4
o
3
p
3
t
3
3
m
3
p
3
m
3
f
3
Home Q & A Board Science-Related Homework Help Mathematics
New Topic  
cmsx27 cmsx27
wrote...
Go to Answer
Posts: 804
Rep: 0 0
6 years ago
Suppose that the amount of time teenagers spend playing computer games per week is normally distributed with a standard deviation of 1.5 hours. A sample of 100 teenagers is selected at random, and the sample mean computed as 6.5 hours. Determine the 95 confidence interval estimate of the population mean if the population standard deviation is changed to 2.
Read 51 times
1 Reply
Replies
Answer verified by a subject expert
BubbblesBubbbles
wrote...
#1
Top Poster
Posts: 1162
Rep: 5 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

cmsx27 Author
wrote...

6 years ago
Good timing, thanks!
spaghetti
wrote...

Yesterday
You make an excellent tutor!
Evolution
wrote...

2 hours ago
This helped my grade so much Perfect
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1018 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 2651
  
 720
  
 245
Your Opinion
Do you believe in global warming?
Votes: 395
Previous poll results: Which of the following is the best resource to supplement your studies: