× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
5
o
5
4
m
4
b
4
x
4
a
4
l
4
t
4
S
4
m
3
s
3
New Topic  
cmsx27 cmsx27
wrote...
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 sample size is changed to 36.
Read 59 times
2 Replies

Related Topics

Replies
wrote...
6 years ago
LCL = 6.01 and UCL = 6.99 (hours per week)
cmsx27 Author
wrote...
6 years ago
Passed my quiz!!!
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  937 People Browsing
Related Images
  
 261
  
 285
  
 775
Your Opinion
Which 'study break' activity do you find most distracting?
Votes: 741

Previous poll results: What's your favorite math subject?