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Josh and Jose

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by Viper83 » Tue Nov 23, 2010 7:03 am
Josh and Jose work at an auto repair shop with 4 other workers. 2 out of the 6 workers will be randomly selected to be interviewed, what is the probability that both josh and jose will be chosen?

a. 1/15
b. 1/12
c. 1/9
d. 1/6
e. 1/3

a
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Source: — Problem Solving |

by abhishekg21 » Tue Nov 23, 2010 7:18 am
total ways of selecting any 2 person is 6c2=15

now josh and jose both can fill the 2 places in 1*1=1 way
so prob of selcting josh and jose=1/15
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