weex b myupenlvlatn ASSignment - The Normal Distribution & the Central Limit Theo Score: 15/18 16/18 answered a 0 Question 18 A manufacturer knows that their items have a normally distributed lifespan, with a mean of 14.1 years, and standard deviation of 2.3 years. If 24 items are picked at random, 1% of the time their mean life will be less than how many years? Give your answer to one decimal place