Carrie pays a monthly fee of $8 to stream movies online. she also pays a fee every time she rents a movie. last month carrie rented 6 movies, and her total bill for the month was $32.

Amanufacturer knows that their items have a normally distributed lifespan, with a mean if 9.1 years, and standard deviation of 2.9 years. if you randomly purchase one item, what is the probability it will last longer than 10 years?