Question: . Question 21 V A manufacturer knows that their items have a normally distributed lifespan, with a mean of13 years, and standard deviation of 0.?

. Question 21 V A manufacturer knows that their items have a normally distributed lifespan, with a mean of13 years, and standard deviation of 0.? years. The 6.6395 of items with the shortest lifespan will last less than how many years? {Round your final answer to 1 place after the decimal point.)
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