A manufacturer knows that their items have a normally distributed lifespan, with a mean of 3.4 years, and standard devia
Posted: Mon Jul 11, 2022 11:29 am
A manufacturer knows that their items have a normallydistributed lifespan, with a mean of 3.4 years, and standarddeviation of 1 years.
If you randomly purchase one item, what is the probability itwill last longer than 6 years?
If you randomly purchase one item, what is the probability itwill last longer than 6 years?