× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
p
6
I
6
h
5
k
5
a
5
J
5
k
5
r
5
O
5
x
5
d
4
s
4
New Topic  
aggotfay aggotfay
wrote...
Posts: 816
Rep: 0 0
6 years ago
Last school year, the student body of a local university consisted of 30 freshmen, 24 sophomores, 26 juniors, and 20 seniors. A random sample of 300 students taken from this year's student body showed the following number of students in each class. Freshmen 83 Sophomores 68 Juniors 85 Seniors 64 We are interested in determining whether there has been a significant change in the distribution of class between the last school year and this school year. If the distribution is the same as the previous year, the expected frequency of seniors is _____.
 a. 60
  b. 20
  c. 68
  d. 64
Read 35 times
1 Reply
Replies
Answer verified by a subject expert
clew0012clew0012
wrote...
Top Poster
Posts: 1137
Rep: 3 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

aggotfay Author
wrote...

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

Yesterday
This site is awesome
wrote...

2 hours ago
Helped a lot
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  517 People Browsing
 147 Signed Up Today
Related Images
  
 340
  
 18460
  
 236
Your Opinion
Which is the best fuel for late night cramming?
Votes: 144