If P is the number of times a 3 is rolled when a fair die is thrown multiple times, then P is a random variable. If Q is the amount of blind boxes that Aiden opened before he got a rare figurine, then Q is a random variable. If R is the time between customers approaching a certain register at a grocery store, then R is a random variable. If T is the height of people who came to class today, then T is a random variable.

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A: Formula  : P(A u B) = P(A) + P(B) - P(A n B)   

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Q: 1964 Mean 67.24 63.5 - 74.5 69.9167 402.8129 Standard Deviation 20.0702 Median Mode Varlance Fernand...

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