× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
s
3
v
3
p
3
m
2
s
2
d
2
N
2
d
2
e
2
s
2
s
2
e
2
Home Q & A Board Science-Related Homework Help Mathematics
New Topic  
jldobro jldobro
wrote...
Go to Answer
Posts: 793
Rep: 0 0
6 years ago
A carpet company advertises that it will deliver your carpet within 15 days of purchase. A sample of 49 past customers is taken. The average delivery time in the sample was 16.2 days. The population standard deviation is 5.6 days.
 a. State the null and alternative hypotheses.
  b. Using a critical value, test the null hypothesis at the 5 level of significance.
  c. Using a p-value, test the hypothesis at the 5 level of significance.
  d. Compute the probability of a Type II error if the true average delivery time is 17 days after purchase.
Read 182 times
5 Replies
Replies
Answer verified by a subject expert
KojicoKojico
wrote...
#1
Top Poster
Posts: 1145
Rep: 6 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

wrote...
#2
4 years ago
Thank you!
wrote...
#3
4 years ago
Thanks
wrote...
#4
3 years ago
thanks
wrote...
#5
3 years ago
Thank you
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1002 People Browsing
 121 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 320
  
 162
  
 312
Your Opinion
Who's your favorite biologist?
Votes: 608
Previous poll results: What's your favorite coffee beverage?