A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.1 years, and standard deviation of 1.4 years. The 10% of items with the shortest lifespan will last less...

A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.1 years, and standard deviation of 1.4 years.


The 10% of items with the shortest lifespan will last less than how many years?


Give your answer to one decimal place.