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Question 15 3 pts In a random experiment, a fair die is rolled until a 6 is observed. If the random variable Y counts the

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Question 15 3 pts In a random experiment, a fair die is rolled until a 6 is observed. If the random variable Y counts the number of rolls, then a What is the probability of at least 2 rolls are needed? [ Select ] V o What is the expected number of rolls, that is Em- - What is the standard deviation of Y? [ Select ] V

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