(Solved): A random sample of 20 maximum sentences for murder yielded the data, in months, presented to the ri ...

A random sample of 20 maximum sentences for murder yielded the data, in months, presented to the right Use the technology of your choice to complete parts (a) through (d) below. a. Find a \( 95 \% \) confidence interval for the mean maximum sentence of all murders. Assume a population standard deviation of 30 months. The confidence interval is from months to months. (Type integers or decimals rounded to one decimal place as needed.)