A smartphone manufacturer knows that their phone battery's have a normally distributed lifespan, with a mean of 2.7 year
Posted: Wed May 11, 2022 8:31 pm
A smartphone manufacturer knows that their phone battery's have a normally distributed lifespan, with a mean of 2.7 years, and standard deviation of 0.9 years. If you randomly purchase one phone, what is the probability the battery will last longer than 3 years? Round your answer to one decimal. al WA