(Answered) Question a black and red die are thrown and let x be a

Statistics

Question: A black and red die are thrown and let X be a random variable denoting the sum of the dice.

a. Find all sample points of the experiment.

b. What is X's expected value, variance and the standard deviation?

c. What percent of the values of X lie within two standard deviations from the mean?

d. What is the probability of getting a sum of 7 in the experiment?

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