× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
Home Q & A Board Other Fields Homework Help Business
New Topic  
sulee sulee
wrote...
Go to Answer
Posts: 321
Rep: 0 0
6 years ago
A researcher determines a sample of size (n) 100 is necessary to estimate a population mean with 95 confidence
  (z = 2). The calculation of sample size required that he estimate the population standard deviation since it was
  unknown, and he estimated it as 150 . The 100 observations produced a sample mean and a sample standard
  deviation
  The resulting confidence interval is
 a. 970 <  < 1030.
  b. 996 <  < 1004.
  c. 997 <  < 1003.
  d. 960 <  < 1040.
  e. There are two possible confidence intervals.

Question 2

Resistance is
 a. a part of adoption.
  b. closely related to adoption.
  c. the last stage of adoption.
  d. the second stage of adoption.
  e. a concept separate from adoption.
Read 30 times
1 Reply
Replies
Answer verified by a subject expert
kdghpgbkdghpgb
wrote...
#1
Posts: 325
Rep: 0 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

sulee Author
wrote...

6 years ago
This helped my grade so much Perfect
bbbbbbbh
wrote...

Yesterday
You make an excellent tutor!
klyn
wrote...

2 hours ago
this is exactly what I needed
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1252 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 925
  
 259
  
 470
Your Opinion
Who's your favorite biologist?
Votes: 586
Previous poll results: Do you trust social media networks with protecting your privacy?