Question 321383
Two dice are biased so that the probability of getting 
a six on each die is 0.2.
 
The two dice are rolled. 
I found P(two 6s)= 0.04
OK
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but I can't find P(exactly one 6)
Binomial with n = 2 and p = 0.2 and q = 0.8
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P(x= 1) = 2C1(0.2)^1*0.8^1
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= 2*0.2*0.8
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= 0.32
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Cheers,
Stan H.