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The mean ife expectancy of televisions manufactured by a certain company is 12 years with a standard deviation of 5 years 5.1f^ 30 televisions are

The mean ife expectancy of televisions manufactured by a certain company is 12 years with a standard deviation of 5 years 5.1f^ 30 televisions are manufactured and tested, what is the probability that on the average the television will not be functional after nige years of purchasing it?

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Question 5 2 Points The mean life expectancy of televisions manufactured by a certain company is 12 years with a standard deviation of 5 years. If 30 televisions are manufactured and tested, what is the probability that on the average the television will not be functional after nine years of purchasing it? Blank 1 Blank 1 Add your

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