× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
g
3
3
2
J
2
p
2
m
2
h
2
s
2
r
2
d
2
l
2
a
2
This topic contains 1 attachment.
Home Q & A Board Science-Related Homework Help Mathematics
New Topic  
Catracho Catracho
wrote...
Posts: 529
Rep: 2 0
5 years ago
A certain brand of cars captured
17.3
17.3​% of the market. If 3 cars are selected at​ random, the probability distribution is given below.  Find​ E(x).
 Attached file 
Thumbnail(s):
You must login or register to gain access to this attachment.
Read 432 times
3 Replies

Related Topics

Replies
wrote...
#1
Educator
5 years ago
For this:

\(E(x)=\sum _{ }^{ }\left[x\cdot p(x)\right]\)

\(\sum _{ }^{ }=\left(0\times 0.2\right)+\left(1\times 0.4\right)+\left(2\times 0.1\right)+\left(3\times 0.3\right)\)

\(=\frac{3}{2}or\ 1.5\)
wrote...
#2
5 years ago
Thank you
wrote...
#3
4 years ago
Thank you!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1162 People Browsing
 144 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 330
  
 335
  
 728
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 352
Previous poll results: What's your favorite funny biology word?