I only need help with 1 question

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. The confidence interval is from

months to ---------? months ------? = The confidence interval is from 282.735 months to 300.265 months ( round one decimal 282.7 and 300.3

help me answer c

C. Remove the outliers?(if any) from the data and then repeat part?(a). If there are no?outliers, then enter the confidence interval from part?(a).

The confidence interval is from months ---------? to months---------?

Que 259 346 306 293 276 261 339 289 296 261 262 306 376 296 272 266 259 293 275 299a. Find a 95% confidence interval for the mean maximum sentence of all murders. Assume a population standard deviation of 20 months. The confidence interval is from 282.7 months to 300.3 months. (Type integers or decimals rounded to one decimal place as needed.) b. Obtain a normal probability plot, boxplot, histogram, and stem-and-leaf diagram of the data. Choose the correct normal probability plot below. O A. O B. CC. O D. 3T 371 19 -02 z-score Z-score O z-score z-score 180% ot 240 C 3+ 40 400 240 400 C Time Time Time Time Choose the correct boxplot below. O A. OC. OD. I- . 240 400 C 240 400 240 400 C 240 400 Time Time Time Time Choose the correct histogram below. O A. VB. O C. OD. 8 81 87 uency uency uency Q Enter your answer in the edit fields and then click Check Answer.O D. VB O C. O A. Q 87 81 81 Frequency O Frequency TO Frequency Frequency TIT 260 380 380 260 280 Time 260 1380 Time Time Time Choose the correct stem-and-leaf diagram below. O C. OD 516 OB. A. 9 9 1126 2 6 256 33665 33669 30 6 6 30 31 31 wo 65 3669 33 341 34 OHUI NO. 331 6 c. Remove the outliers (if any) from the data and then repeat part (a). If there are no outliers, then enter the confidence interval from part (a). The confidence interval is from months to months. (Type integers or decimals rounded to one decimal place as needed.) Enter your answer in the edit fields and then click Check