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1) Suppose you roll two dice. Let A represent the event that the first die is a four, let B represent the event that the total showing on the two dice is six, and let C represent the event that this total is seven. Two of these events are independent. Which two? Explain.

2) X is a normally distributed random variable with mean 10 and variance 24.

a. Find P(X bigger 14)

b. find P(8 smaller X smaller 20)

c. Find the probability that X takes on a value that is at least 6 away from its mean.

d. Suppose that X* is defined such that P(X bigger X*) = .10. What is X*?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9351130

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