probability of something

label Statistics
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schedule 1 Day
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 Given that the Battery Park Battery Company makes, you guessed it, batteries with a yield of 48%.  This means that 48% are good and the rest are defective. (Sounds like the company is defective)

a.       If one battery is selected, find the probability that it is defective.

 

 

 

b.      If two batteries are randomly selected, find the probability that they are both good.

 

 

 

c.       If three batteries are randomly selected, find the probability that at least one is good.

 

Jun 2nd, 2015

Please let me know if you need any clarification. I'm always happy to answer your questions.

a. pro of defective=.52/1=.52

b.pro of good=.48/2=.24

c.pro of 1 good=(.52/3)*(.48/1)=0.0832


Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 2nd, 2015

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Jun 2nd, 2015
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