× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
w
5
a
3
j
2
a
2
t
2
u
2
r
2
j
2
j
2
l
2
d
2
y
2
Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
New Topic  
bribery bribery
wrote...
Go to Answer
Posts: 898
Rep: 1 0
6 years ago
The average waiting time at the checkout counter for a large grocery chain is 2.45 minutes with a standard deviation of 24 seconds (0.40 minutes). Assume that the distribution of waiting time is normal. What is the probability that a customer must wait more than 3 minutes for check out?
Read 54 times
1 Reply
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

bribery Author
wrote...

6 years ago
This calls for a celebration Person Raising Both Hands in Celebration
lolaww
wrote...

Yesterday
Just got PERFECT on my quiz
gma_of_7
wrote...

2 hours ago
Good timing, thanks!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1299 People Browsing
 107 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 551
  
 1039
  
 630
Your Opinion
How often do you eat-out per week?
Votes: 81
Previous poll results: Do you believe in global warming?