how would you do a random variable problem like this

suppose a non bias coin was tossed two times

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- December 4th 2007, 11:54 PMjim1174Suppose a non bias coin was tossed two times?
how would you do a random variable problem like this

suppose a non bias coin was tossed two times - December 5th 2007, 12:06 AMDivideBy0
Well... let be the random variable. You could make it stand for the number of times heads appeared.

would then be the probability that x heads appeared.

xxx

Since the coin is non-biased these same probabilities would appear if you set as the number of tails that appeared.

Is this what you wanted? - December 5th 2007, 01:06 AMTwistedOne151Error
DividyBy0,

Shouldn't it be , not ?

--Kevin C. - December 5th 2007, 01:25 AMDivideBy0
yeah, you're right