2 Answered Questions for the topic Discrete Random Variables

Discrete Random Variables Probability Distribution Variance

10/24/21

How to find the Var(X) for a sum of a rolled die and a 3 sided spinner?
A fair 6-sided die has the numbers −1, −1, 0, 0, 1, 2 on its faces. A fair 3-sided spinner has edges numbered −1, 0, 1. The die is thrown and the spinner is spun. The number on the uppermost face... more
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Discrete Random Variables Statistics Math Help

12/19/18

Suppose that the random variable x , shown below, represents the number times . ( Thank you!, Much Appreciated!)

 P(x) represents the probability of a randomly selected person having received that number of speeding tickets during that period. Use the probability distribution table shown below to answer the... more
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