Find the standard deviation of the dvd player-s life span


The life span of a DVD player produced by one major company is known to be normally distributed with a mean of 6.2 years. If 4.01% of these DVD players have a life span of more than 8 years, what is the standard deviation of the DVD player's life span?

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Basic Statistics: Find the standard deviation of the dvd player-s life span
Reference No:- TGS0110686

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