Top Posters
Since Sunday
1
e
1
a
1
1
New Topic  
woot woot woot woot
wrote...
Donated
Posts: 206
Rep: 0 0
9 years ago
An aptitude test has a mean of 300 and a standard deviation of 30. The test scores are normally distributed. If 1500 people take the test, find the number of people who will score between 291 and 324.
 A.1055   
 B.891   
 C.445   
 D.609   
Read 264 times
1 Reply
Replies
Answer accepted by topic starter
bio_manbio_man
wrote...
Educator
Top Poster
Posts: 33268
9 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  808 People Browsing
 102 Signed Up Today
Related Images
  
 4444
  
 275
  
 798
Your Opinion
What's your favorite math subject?
Votes: 315