SOLUTION: A new process or constructing I-pods is said to produce defects in only 5% of units coming off the assembly line. If 20 of them are examined, what is the probability that none will

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Question 610899: A new process or constructing I-pods is said to produce defects in only 5% of units coming off the assembly line. If 20 of them are examined, what is the probability that none will be defective?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi, 

defects in only 5%

20 of them are examined:

P( 0 defects) = 20C0 (.95)^20(.05)^0 = .3585