SOLUTION: I have two devices packaged together and each individual device yields 70% I need to know what the probability is that at least one of them will be good when I open the package to

Question 574400: I have two devices packaged together and each individual device yields 70%
I need to know what the probability is that at least one of them will be good when I open the package to use them
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
I have two devices packaged together and each individual device yields 70%
I need to know what the probability is that at least one of them will be good when I open the package to use them
P(at least one)
= 1 - P(none yields)
= 1-0.3^2
= 1-0.09
= 0.91
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Cheers,
Stan H.

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