× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
e
5
R
5
e
4
4
d
4
o
3
p
3
t
3
3
m
3
p
3
m
3
Home Q & A Board Other Fields Homework Help Business Management
New Topic  
Micky5490! Micky5490!
wrote...
Go to Answer
Posts: 660
Rep: 0 0
6 years ago
The number of cell phone minutes used by high school seniors follows a normal distribution with a mean of 500 and a standard deviation of 50. What is the probability that a student uses more than 580 minutes?
 
  A) 0.152
  B) 0.0548
  C) 0.848
  D) 0.903
  E) None of the above
Read 43 times
1 Reply
Replies
Answer verified by a subject expert
sky2walkersky2walker
wrote...
#1
Top Poster
Posts: 957
Rep: 4 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Micky5490! Author
wrote...

6 years ago
Thanks
cartoon
wrote...

Yesterday
Good timing, thanks!
novae
wrote...

2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1010 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 69
  
 143
  
 1601
Your Opinion
Which of the following is the best resource to supplement your studies:
Votes: 292
Previous poll results: What's your favorite math subject?