26. Ten balls are randomly placed into ten boxes. Let X be the number of empty boxes at the end of the experiment. a) Ca
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26. Ten balls are randomly placed into ten boxes. Let X be the number of empty boxes at the end of the experiment. a) Ca
26. Ten balls are randomly placed into ten boxes. Let X be the number of empty boxes at the end of the experiment. a) Calculate the mean and variance of X. (Hint: Define Yi in terms of whether the ith box is empty or not).
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