× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
y
2
s
2
2
a
1
w
1
w
1
i
1
m
1
s
1
c
1
k
1
1
Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
New Topic  
thisisstupidash thisisstupidash
wrote...
Go to Answer
Posts: 834
Rep: 0 0
6 years ago
Scores on the final exam in Math 160 have a mean of 73 and standard deviation of 7.8. If 24 students are randomly selected, find the probability that the mean of their test scores is greater than 78.
 
  A) 0.0036 B) 0.0103 C) 0.8962 D) 0.0008
Read 64 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

thisisstupidash Author
wrote...

6 years ago
Helped a lot
Turboturner
wrote...

Yesterday
This helped my grade so much Perfect
Hellish Lover
wrote...

2 hours ago
Thanks for your help!!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1061 People Browsing
 142 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 264
  
 270
  
 448
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 405
Previous poll results: Which 'study break' activity do you find most distracting?