Top Posters
Since Sunday
z
4
n
4
t
4
k
3
x
3
r
3
m
3
j
3
c
3
l
3
e
3
s
2
Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
New Topic  
Coltonht Coltonht
wrote...
Go to Answer
Posts: 430
Rep: 18 0
4 years ago
On a multiple choice test with 10 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the standard deviation for the number of correct answers.

▸ 18.8

▸ 3.5

▸ 1.4

▸ 1.9
Textbook 
Introductory Statistics: Exploring the World Through Data

Introductory Statistics: Exploring the World Through Data


Edition: 2nd
Authors:
Read 78 times
1 Reply
Replies
Answer verified by a subject expert
swolfe15swolfe15
wrote...
#1
Posts: 371
Rep: 57 0
4 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

Coltonht Author
wrote...

4 years ago
Brilliant ツ
ealvino1610
wrote...

Yesterday
Thanks for your help!!
mikey3091
wrote...

2 hours ago
This site is awesome
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  582 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 352
  
 642
  
 356
Your Opinion
What's your favorite math subject?
Votes: 559
Previous poll results: Do you believe in global warming?