Question 20 < > 6.2 The Standard Normal Distribution Table: Find X Value. A manufacturer knows that their items have a normally distributed lifespan, with a mean of 9.3 years, and standard deviation of 0.8 years. The 1% of items with the shortest lifespan will last less than how many years? a.) Use the table on page 3 to find the critical value Ze b.) The 1% of items with the shortest lifespan will last less than place) years. (round to 1 decimal