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2 in rolling 3 dice let x be the number of aces that occur

1. Check the probability function of Problem 4-9 using the formulas of this section.

2. In rolling 3 dice, let X be the number of aces that occur. Tabulate the probatbility function of X. Find p and a₂. Graph.

A student is given 4 questions, each with a choice of 3 answers. Let X be the number of correct answers when the student has to guess each answer. Compute the probability function and the mean and variance of X.

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Basic Statistics: 2 in rolling 3 dice let x be the number of aces that occur

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Basic Statistics: 2 in rolling 3 dice let x be the number of aces that occur

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