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Date:         Wed, 16 Oct 2002 10:46:53 -0600
Reply-To:     Geoff Matthews <>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         Geoff Matthews <>
Subject:      Re: design question (Non SPSS)
Comments: To: Tony Baglioni <>
Content-Type: text/plain; charset="US-ASCII"

Here's a web program that will do it for you:

Geoff Matthews

-----Original Message----- From: Tony Baglioni [] Sent: Wednesday, October 16, 2002 10:26 AM To: SPSSX-L@LISTSERV.UGA.EDU Subject: design question (Non SPSS)

I've forgotten so many basics. Can anyone tell me how to calculate the needed sample size for a simple query? I know the probability of an event is 3/10,000. What sample size is needed to verify there are no cases present?

Thanks for your patience and assistance.



Tony Baglioni, PhD

The Epsilon Group, LLC

120 Whitewood Road<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

Charlottesville, VA 22901 USA

434.975.0097 x302

434.975.0477 (fax) <> <>

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