× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
e
5
e
4
4
d
4
o
3
p
3
t
3
3
m
3
p
3
m
3
f
3
Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
New Topic  
RENCEE72 RENCEE72
wrote...
Go to Answer
Posts: 777
Rep: 7 0
6 years ago
The life expectancy of a particular brand of tire is normally distributed with a mean of 40,000 and a standard deviation of 5,000 miles. What is the probability that a randomly selected tire will have a life of at least 30,000 miles?
 a. .4772
  b. .9772
  c. .0228
  d. None of the answers is correct.
Read 29 times
1 Reply
Replies
Answer verified by a subject expert
tgreen77tgreen77
wrote...
#1
Top Poster
Posts: 1152
Rep: 9 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

RENCEE72 Author
wrote...

6 years ago
Thanks for your help!!
zbmallo3
wrote...

Yesterday
Just got PERFECT on my quiz
shangshang
wrote...

2 hours ago
this is exactly what I needed
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1013 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 1662
  
 753
  
 1179
Your Opinion
What's your favorite funny biology word?
Votes: 334
Previous poll results: Where do you get your textbooks?