Top Posters
Since Sunday
r
7
c
6
5
n
5
S
4
M
4
r
4
1
4
s
4
s
4
n
4
s
4
Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
New Topic  
nancy2457 nancy2457
wrote...
Go to Answer
Posts: 162
Rep: 0 0
A year ago
A major producer of incandescent light bulbs wishes to model the amount of time incandescent bulbs manufactured at a specific plant will last. The company uses an exponential random variable to model bulb life. If random variableX, which represents the lifetime of these incandescent bulbs, is exponentially distributed withλ = 0.0012 (corresponding to measurements in hours), what is the modeled mean lifetime of these bulbs?


▸

1200 hours



▸

833.3 hours



▸

694,444 hours



▸

921.2 hours

Textbook 
Introductory Statistics: A Problem-Solving Approach

Introductory Statistics: A Problem-Solving Approach


Edition: 3rd
Author:
Read 53 times
1 Reply
Replies
Answer verified by a subject expert
ahgoebelahgoebel
wrote...
#1
Posts: 155
Rep: 0 0
A year ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

nancy2457 Author
wrote...

A year ago
this is exactly what I needed
SlimyPencil
wrote...

Yesterday
Thanks for your help!!
joyceess
wrote...

2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1537 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 18593
  
 1557
  
 277
Your Opinion
Do you believe in global warming?
Votes: 488
Previous poll results: Which industry do you think artificial intelligence (AI) will impact the most?