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[" 10.Find the mean number of heads in t...

[" 10.Find the mean number of heads in three tosses of a fair coin."],[" 11.Two dice are thrown simultaneously.If "X" denotes the number of sixes,find the "],[" expectation of "X" ."],[" 1) Two numbers are selected at random (without replacement) from the first six "]

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Two dice are thrown simultaneously. If X denotes the number of sixes. Find the mean (expectation) of X.

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Find mean and variance of number of heads in three tosses of a fair coin.

If X denotes the number of sixes in throwing two dice, find the expectation of x

Two dice are thrown simultaneously. If X denotes the numbers of sixes obtained, find probability distribution of X and also is mean and variance.

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