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An unbiased die is thrown twice. Find th...

An unbiased die is thrown twice. Find the probability distribution of the number of sixes.

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`P(X=0)=P(barF_1)P(barF_2)`
`=5/6xx5/6=25/36`
`P(X=1)=P(barF_1)P(F_2)+P(F_1).P(barF_2)`
`=5/6.(1)/(6)+1/6xx5/6=5/18`
`P(X=2)=P(F_1).P(F_2)`
`=1/6.(1)/(6)=1/36`
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