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A number between 8 and 15 is picked at random. what is the probability that the number picked is an even number

 Dec 6, 2019
 #1
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The numbers between 8 and 15    9 10 11 12 13 14      six choices  , three are even   3/6 = 1/2   

 Dec 6, 2019
 #2
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And it would be the same probability if the question means between 8 and 15 inclusive. 

 

The numbers would be  8, 9, 10, 11, 12, 13, 14, 15   

                                      e  o    e    o    e    o    e    o    

 

4 evens out of a total 8 possibilities = 4/8 = 1/2            

.

 Dec 6, 2019

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