Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
New Topic  
rizumidancer rizumidancer
wrote...
Go to Answer
Posts: 507
Rep: 6 0
4 years ago
A random sample of adults was asked to respond to a survey about whether they use their cell phones to shop for a specific item. One question, summarized in the table below reflecting probabilities, asked each respondent to choose whether or not they use a cell phone app to shop. The major age groupings were under 40 or 40 years or older.



If one adult is randomly chosen from the group, what is the probability that the adult is 40 years or older?

▸ 60%

▸ 0.40%

▸ 40%

▸ 50%
Textbook 
Introductory Statistics: Exploring the World Through Data

Introductory Statistics: Exploring the World Through Data


Edition: 2nd
Authors:
Read 101 times
1 Reply
Replies
Answer verified by a subject expert
jzhu11jzhu11
wrote...
#1
Posts: 414
Rep: 63 0
4 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here

Related Topics

rizumidancer Author
wrote...

4 years ago
Good timing, thanks!
annielin111
wrote...

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

2 hours ago
Just got PERFECT on my quiz
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1260 People Browsing
 128 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 271
  
 1692
  
 798