From: Kandravy, Amber [<a href="mailto://Amber.Kandravy@fortbend.k12.tx.us]">mailto://Amber.Kandravy@fortbend.k12.tx.us]</a> Sent: Monday, November 15, 2004 3:28 PM To: for Teachers of AP Statistics Subject: [ap-stat] Probability Help
I am working on a problem and I am stumped to find the answer.
The problem is this: There are a dozen old batteries in a junk box. 5 of which are totally dead, but you don't know which ones specifically. You start picking them one at at time and testing them. We are asked to find the probabilty that at least one of the first three works.
Thank you for your time,
Amber Kandravy Statistics/Algebra Teacher George Bush High School 281-234-6060
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