SOLUTION: If we randomly select 2 diskettes, one after the other , from a box containing a diskettes of which 3 are unformatted, a. What is the probability that both of them will be unfo

Question 634599: If we randomly select 2 diskettes, one after the other , from a box containing a diskettes of which 3 are unformatted,
a. What is the probability that both of them will be unformatted?
b. What is the probability that both of them will be formatted?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

box containing  diskettes  of which 3 are unformatted,

randomly select 2 diskettes, one after the other 

P (both unformatted) = 

P (both formatted) =  

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