Time remaining:
help with statistics homework

label Statistics
account_circle Unassigned
schedule 0 Hours
account_balance_wallet $5

The estimate of the population proportion is to be within plus or minus 0.05, with a 95% level of confidence. The best estimate of the population is 0.15. How large a sample is required (Round up your answer to the next whole number)

sample size

Oct 17th, 2017

Error Margin= 0.05

Confidence level CL=0.95

Predicted population p=0.15


Percentile of standard normal distribution

=100(1- ά/2)th

Standard normal distribution=z = 1.96 (95 percent level of confidence)
n = (z ά/2/error)^2 p (1-p)
n = (1.96/0.05)^2 (0.15)(0.85) =195.9
196 samples required.

Apr 11th, 2015

Did you know? You can earn $20 for every friend you invite to Studypool!
Click here to
Refer a Friend
Oct 17th, 2017
Oct 17th, 2017
Oct 18th, 2017
Mark as Final Answer
Unmark as Final Answer
Final Answer

Secure Information

Content will be erased after question is completed.

Final Answer