× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
b
4
o
3
s
3
j
3
b
3
m
3
K
3
g
3
L
3
w
3
m
3
j
3
Home Q & A Board Science-Related Homework Help Mathematics
New Topic  
k123p k123p
wrote...
Go to Answer
Posts: 783
Rep: 0 0
6 years ago
A professor at a local university noted that the exam grades of her students were normally distributed with a mean of 73 and a standard deviation of 11 . If 69.5 percent of the students received grades of C or better, what is the minimum score of those who received C's?
 a. 70.39
  b. 67.39
  c. 50.39
  d. 65.39
Read 91 times
1 Reply
Replies
Answer verified by a subject expert
alal
wrote...
#1
Top Poster
Posts: 1134
Rep: 3 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

k123p Author
wrote...

6 years ago
This calls for a celebration Person Raising Both Hands in Celebration
Morgan-C
wrote...

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

2 hours ago
Smart ... Thanks!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1187 People Browsing
 124 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 347
  
 790
  
 301
Your Opinion
What's your favorite coffee beverage?
Votes: 302
Previous poll results: Where do you get your textbooks?