Toggle navigation
Menu
Tutors
Study Help
Scholarships
Projects
Ask a Question
Sign In
Register
{{navbarsearch}}
in
Textbook Solution
Mathematics
Statistics
Using the sample size formula n p 1
Using the sample size formula n p 1
Using the sample size formula n = [p̂ (1 - p̂)z2]/m2 for a proportion, explain the effect on n of
(a) Increasing the confidence level and
(b) Decreasing the margin of error.
Students also viewed these questions
A Gallup poll taken during June 2011 estimated that 8.8% of U.S. adults were unemployed. The poll was based on the responses of 30,000 U.S. adults in the workforce. Gallup reported that the margin of error associated with ...
The large-sample confidence interval for a proportion substitutes p̂ for the unknown value of p in the exact standard error of p̂. A less approximate 95% confidence interval has endpoints determined by the p values that ...
A Harris poll of a random sample of 2113 adults in the United States in October 2010 reported that 72% of those polled believe that stem cell research has merit. ...
Refer to the previous exercise. For the 604 males in the sample, the mean was 3.06 and the standard deviation was 1.92. a. Find the point estimate of the population mean, and show that its standard error is 0.078. b. The 95% ...
For the FL Student Survey data file on the text CD, software reports the results for responses on the number of times a week the subject reads a newspaper: a. Is it plausible that μ = 7, where μ is the population mean for ...
Membership
TRY NOW
Access to
800,000+
Textbook Solutions
Ask any question from
24/7
available
Tutors
Live Video
Consultation with Tutors
50,000+
Answers by Tutors
OR
$ 1.99
VIEW SOLUTION
ADD TO CART
Relevant Tutors available to help
JACOB MWENDWA FESTUS
Bs Statistics with IT
KRUNAL SHAH
Supply Chain Management
Geoffrey Oduor
Bsc Statistics
×
NO,THANKS
TRY NOW