Q34 A manufacturer knows that their items have a normally distributed lifespan, with a mean of 3.9 years, and standard d
Posted: Tue Apr 26, 2022 5:57 pm
Q34
A manufacturer knows that their items have a normally
distributed lifespan, with a mean of 3.9 years, and standard
deviation of 0.8 years.
If you randomly purchase one item, what is the probability it will
last longer than 6 years?
A manufacturer knows that their items have a normally
distributed lifespan, with a mean of 3.9 years, and standard
deviation of 0.8 years.
If you randomly purchase one item, what is the probability it will
last longer than 6 years?