How do I calculate that?

How do I calculate that?

What is the 95% confidence interval for crime rate if we were to observe several states

that have average prison sentence time of 16.2 months, mean 12.1 years of schooling,

and is non-Southern? Interpret this interval.

(h) What is the 95% prediction interval for crime rate if we were to observe new data in a

single state that has average prison sentence time of 16.2 months, mean 12.1 years of

schooling, and is non-Southern? Interpret this interval.