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Let the random variable X be the number of outcomes of a 3 or a 4...

Let the random variable X be the number of outcomes of a 3 or a 4 in 5 tosses of a fair die.

Find the probability distribution of X.


Find the mean and variance of X.


Form the cumulative distribution of X.


Evaluate the probability P(X>4)


Math   Statistics-And-Probability   
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