× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
7
n
3
j
3
o
2
x
2
c
2
2
p
2
n
2
3
2
C
2
z
2
Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
New Topic  
love2211 love2211
wrote...
Go to Answer
Posts: 829
Rep: 0 0
6 years ago
A survey of business students who have taken the Graduate Management Admission Test (GMAT) indicated that students who have spent at least five hours studying GMAT review guides have a probability of .85 of scoring above 400 . Students who do not spend at least five hours reviewing have a probability of .65 of scoring above 400 . It has been determined that 70 of the business students spent at least five hours reviewing for the test.
 a. Find the probability of scoring above 400.
  b. Find the probability that given a student scored above 400, he/she spent at least five hours reviewing for the test.
Read 201 times
1 Reply
Replies
Answer verified by a subject expert
lsellers6lsellers6
wrote...
#1
Top Poster
Posts: 1129
Rep: 6 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

love2211 Author
wrote...

6 years ago
Good timing, thanks!
logbi
wrote...

Yesterday
Brilliant ツ
Starfiew
wrote...

2 hours ago
Helped a lot
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  943 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 252
  
 298
  
 204
Your Opinion
Which 'study break' activity do you find most distracting?
Votes: 741
Previous poll results: What percentage of nature vs. nurture dictates human intelligence?