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Company XYZ know that replacement times for the quartz time pieces it produces are normally...

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Company XYZ know that replacement times for the quartz time pieces it produces are normally distributed with a mean of 16.4 years and a standard deviation of 2.1 years.Find the probability that a randomly selected quartz time piece will have a replacement time less than 12.4 years?P(X< 12.4 years) =Enter your answer accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.If the company wants to provide a warranty so that only 2.9% of the quartz time pieces will be replaced before thewarranty expires, what is the time length of the warranty?warranty _____ yearsEnter your answer as a number accurate to 1 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.

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