G(x)=−43x+2 g^−1(x)=43x−2 g^−1(x)=−43x−2 g^−1(x)=34x+23 g^−1(x)=−34x+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?