Notices
Results 1 to 2 of 2

Thread: How do you calculate the sample size necessary for a probabilty x given the mean and the variance?

  1. #1 How do you calculate the sample size necessary for a probabilty x given the mean and the variance? 
    EdmureTully
    EdmureTully is offline
    Forum Freshman
    Join Date
    Jul 2013
    Posts
    14
    Default July 28th, 2013, 02:22 AM
    any equation or formula?


    Reply With Quote  
     
  2.  

    Related Discussions:

     
  3. #2  
    mathman
    mathman is offline
    Forum Ph.D.
    Join Date
    Jul 2008
    Location
    New York State
    Posts
    978
    July 28th, 2013, 04:37 PM
    For a binomial distribution with mean p (0<p<1), σ²=p(1-p)/n, where n is the sample size. You can use this as an approximation to what you are looking for.


    Reply With Quote  
     
« Can a cumulative density function be defined like this? | How do you extend the parallel postulate to higher dimension? »

Similar Threads

  1. Calculating variance question.
    By theorist in forum Mathematics
    Replies: 1
    Last Post: February 13th, 2013, 11:02 PM
  2. Brain size, Head size and intelligence
    By Heinsbergrelatz in forum Biology
    Replies: 17
    Last Post: December 13th, 2012, 04:49 PM
  3. How to Calculate the Minimum Binomial Sample Size?
    By vipe in forum Mathematics
    Replies: 2
    Last Post: September 14th, 2012, 12:48 PM
  4. The size of a bubble? dependant on molecule or release size?
    By mrjoshers in forum Chemistry
    Replies: 2
    Last Post: January 12th, 2012, 12:09 PM
  5. Probabilty Question
    By SteveC in forum Mathematics
    Replies: 16
    Last Post: July 12th, 2010, 10:27 PM
Bookmarks
Bookmarks
Posting Permissions
  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Terms of Use Agreement