Suppose X is a discrete random variable with a binomial distribution with n = 8 and p = 0.2. Suppose we want to find P(X = 3) using the binomial formula.  How many different combinations are there of having 3 successes in 8 trials?  Fill in the blanks of the binomial formula with correct values. (Hint: where does your answer to the previous question go?) Round the probability to four decimal places.

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Q: A binomial random variable X reveals p=100 and o=20. Calculate P{X=101}.

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