Numbers 1 - 10 are written on cards and placed in a bag. Find the probability of choosing a number greater than 5 or choosing an odd number. ...?

Answer :

{1,3,5,7,9} {6,7,8,9,10} 

The union of these two sets is 

{1,3,5,6,7,8,9,10} 

There are 8 numbers here out of the 10 possible.

So the answer for this question is 8/10 or 4/5.

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