A random sample of 20 maximum sentences for murder yielded the data, in months, presented to the right. Use the technology 259 346 303 299 275 Q of your choice to complete parts (a) through (d) below. 251 331 231 295 255 267 301 377 293 273 261 258 297 276 292 a. Find a 90% condence interval for the mean maximum sentence of all murders. Assume a population standard deviation of 25 months. The condence interval is from In months to months. (Type integers or decimals rounded to one decimal place as needed.)