My Textboc X w Word X w Lab7.1 X _ ASTR14 X Bb Annoul X Course X M MyOpe X G Assumi X + X C myopenmath.com/assess2/?cid=138070&aid=9819814#/skip/1 Update Home > Math 111 (Statistics) WEB 2 > Assessment Homework: Section 8.2 Progress saved Done & Voce Score: 0/3 0/3 answered . Question 1 0/1 pt 9 2 ~ 97 0 Details Use the following sample to estimate a population mean u. 30.4 17.8 0.7 32 18.5 14 11.3 26.5 28.3 Assuming the population is normally distributed, find the 99.9% confidence interval about the population mean. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places. 99.9% C.I. = Submit Question 52OF LO 44 w P X 9:43 PM Cloudy 5/2/2022My Textboc X w Word X w Lab7.1 x EASTR14 X Bb Annoul X Course X M MyOpe X G Assumi X + X C myopenmath.com/assess2/?cid=138070&aid=9819814#/skip/2 Update riugless saved DONE VU Score: 0/3 0/3 answered Question 2 0/1 pt 9 2 98 0 Details A researcher must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures: 51 12.7 56.6 77 31.9 62.2 69.5 62.7 48.5 Assuming the population of temperatures are normally distributed, find the 95% confidence interval. Round the answers to two decimal places. Enter your answer as an interval of the form (LB, UP). The researcher is 95% confident that the population average temperature is within the temperature interval Question Help: Video Submit Question 52OF 44 w P X 9:43 PM Cloudy O 5/2/2022Textbor X Word X Lab7.1 X ASTR'I: X Annou X iv Course X MyOpi X a Assum X r- + v X e 9 C' a myopenmath.com/asse552/?cid=1380708Laid=9819814#/skip/3 I52 :31 3 |] @- A Home > Math 11 1 (Statistics) WEB 2 > Assessment Homework: Section 8.2 Score: 0/3 0/3 answered Progress saved Done (a) 15' 0 Question 3 v B 0/1 pt 0 2 8 93 G) Details The high temperatures (in degrees Fahrenheit) of a random sample of 5 small towns are: 97.7 99.5 98.6 99.8 99.3 Assume high temperatures are normally distributed Based on this data, find the 90% confidence interval of the mean high temperature of towns' Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place). Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places. Question Help: El Video 1 El Video 2 Submit Question 9244 PM 5/2/2022 a '5' '11))15}