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The cd players life is normally distributed with a mean of 2.5 years and a standard deviation of 0.4 years. What is the z score for a cd player will break down during the guarantee period of 2 years? (Hint: the statement that the cd player breaks during the 2-year guarantee period means the life is less than 2 years, or x<2. Now find the z score.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9416234

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