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  3. the mean life of a television set is 123 months wi

The mean life of a television set is 123 months with a standard deviation of...

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The mean life of a television set is 123 months with a standard deviation of 19 months If a sample of 55 televisions is randomly selected what is the probability that the sample mean would be less than 121 8 months Round your answer to four decimal places Answer How to enter your answer opens in new window Tables Keypad Keyboard Shortcuts

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