× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
8
p
4
h
4
c
4
d
3
3
c
3
t
3
u
3
A
3
B
3
j
3
New Topic  
Jbev757 Jbev757
wrote...
Posts: 831
Rep: 0 0
6 years ago
A random sample of 64 students at a university showed an average age of 25 years and a sample standard deviation of 2 years. The 98 confidence interval for the true average age of all students in the university is
 a. 20.5 to 29.5.
  b. 24.4 to 25.6.
  c. 23.0 to 27.0.
  d. 20.0 to 30.0.
Read 113 times
1 Reply
Replies
Answer verified by a subject expert
gomezagomeza
wrote...
Top Poster
Posts: 1071
Rep: 6 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Jbev757 Author
wrote...

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

Yesterday
This helped my grade so much Perfect
wrote...

2 hours ago
Thanks for your help!!
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1100 People Browsing
Related Images
  
 1182
  
 654
  
 923
Your Opinion
Do you believe in global warming?
Votes: 423