Top Posters
Since Sunday
t
7
m
6
k
6
F
5
j
5
t
5
j
5
G
5
f
5
a
5
d
5
c
5
Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
New Topic  
makalisek makalisek
wrote...
Go to Answer
Posts: 125
Rep: 0 0
A year ago
An industrial fan is designed to move 2500 ft3of air per minute, on average. Under normal operating conditions, the standard deviation of air volume moved by this fan is 300 ft3/min. If the fan is operating as designed, what is the probability that the average of 30 randomly selected measurements of fan capacity will be less than 2000 ft3/min?


▸

0.0475



▸

0.0000



▸

0.9525



▸

0.913

Textbook 
Introductory Statistics: A Problem-Solving Approach

Introductory Statistics: A Problem-Solving Approach


Edition: 3rd
Author:
Read 26 times
1 Reply
Replies
Answer verified by a subject expert
neginakbarinneginakbarin
wrote...
#1
Posts: 131
Rep: 0 0
A year ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

makalisek Author
wrote...

A year ago
Smart ... Thanks!
annakc
wrote...

Yesterday
Helped a lot
logbi
wrote...

2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  969 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 333
  
 471
  
 266
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 378
Previous poll results: Who will win the 2024 president election?