Question: A random sample of 20 maximum sentences for murder yielded thedata, inmonths, presented. 256 347 306 291 278 261 338 284 295 265 265 304

A random sample of 20 maximum sentences for murder yielded thedata, inmonths, presented. 256 347 306 291 278

261 338 284 295 265

265 304 377 292 274

262 259 291 272 295

Find a 90% confidence interval for the mean maximum sentence of all murders. Assume a population standard deviation of 25 months.

Fill in the blank: The confidence interval is from months to months.

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