SOLUTION: A sample of 4 different calculators is randomly selected from a group containing 16 that are defective and 30 that have no defects. What is the probability, as a decimal, that at l

Question 675165: A sample of 4 different calculators is randomly selected from a group containing 16 that are defective and 30 that have no defects. What is the probability, as a decimal, that at least one of the 4 calculators in the sample is defective?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi

A sample of 4 different calculators is randomly selected from a group

containing 16 that are defective and 30 that have no defects:   in all

P(at least 1 defective) = 1 -P(none defective) = 1 -  

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