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Practice Problems 2 Due: Tuesday February 5 : Suppose you roll a weighted die so that the probabilities of each face showing is as follows Number Showing0.15 Probability 0.10 0.15 0.10 0.15 a. Solve for x b. What is the probability of rolling an even number? c. What is the probability of rolling two even numbers? Suppose you roll the dice two times. What is the probability that the sum of the two rolls is not equal to 8? d. 2. A frequency distribution for the number of cars owned by each of 6400 famililes in a sample from Phoenix is as follows. Let A event that the family owns at most 4 cars and B- family owns at least 3 cars. event that the Cars Owned 0 Count (0 1700 324 56 30 1425 a. Compute the probability of the event (A or B]. b. Compute the probability of the event (not A). Are events A and B mutually exclusive? Hint: Use the general rule for addition to find the answer c.
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