Question 18 A manufacturer knows that their items have a normally distributed lifespan, with a mean of 9.9 years, and standard deviation of 2.1 years. If you randomly purchase one item, what is the probability it will last longer than 10.635 years? (Round your final answer to 3 places after the decimal point.) Submit Question MacBook Pro 20 888 @ # o 2 3 V 4 5 6 O W E R T Y U O S D F G H C K X. C V B N M and