× Didn't find what you were looking for? Ask a question
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
New Topic  
fundai! fundai!
wrote...
Posts: 814
Rep: 0 0
6 years ago
The probability of success on any trial of a binomial experiment is 20. Find the probability that the proportion of success in a sample of 400 is:
 a. less than 18.
  b. more than 18.
  c. between 18 and 22.
Read 52 times
1 Reply

Related Topics

Replies
wrote...
6 years ago
a. 0.1587
b. 0.8413
c. 0.6826
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1027 People Browsing
Related Images
  
 177
  
 220
  
 248
Your Opinion
Where do you get your textbooks?
Votes: 422