"A Test 5 C - MAT 181, section LC, St *Search Results | Course Hero * *[Solved] A. In the following probl webassign.net/web/Student/Assignment-Responses/submit?dep=29191590&tags=autosave#Q8 Q E GRAIS Bottoms - HYPER D... T Thursday Boot Com.. Slim Straight Jeans... G adidas 3mc - Tim v... Ci I want to listen to... S Nga-Trung tap tran... TH Tiege Hanley The Henry - YORK... YORK Athletics Mfg. Converse Chuck Tay. H 10 phut de co co b... E 925 Sterling Silver. hummingbirds time left.. 2:34:16 9. [-/6 Points] DETAILS BBUNDERSTAT12 7.2.013.EP.S. MY NOTES ASK YOUR TEACHER The method of tree-ring dating gave the following years A.D. for an archaeological excavation site. Assume that the population of x values has an approximately normal distribution. 1,208 1,229 1,187 1,257 1,268 1,316 1,275 1,317 1,275 LA USE SALT (a) Use a calculator with mean and standard deviation keys to find the sample mean year x and sample standard deviation s. (Round your answers to four decimal places.) X = A.D. yr (b) When finding an 90% confidence interval, what is the critical value for confidence level? (Give your answer to three decimal places.) t= What is the maximal margin of error when finding a 90% confidence interval for the mean of all tree-ring dates from this archaeological site? (Round your answer to the nearest whole number.) E = Find a 90% confidence interval for the mean of all tree-ring dates from this archaeological site. (Round your answers to the nearest whole number.) lower limit |A.D. upper limit |A.D. 10. [-/5 Points] DETAILS BBUNDERSTAT12 7.3.012.MI.S. MY NOTES ASK YOUR TEACHER For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding. In a random sample of 516 judges, it was found that 277 were introverts. LA USE SALT (a) Let p represent the proportion of all judges who are introverts. Find a point estimate for p. (Round your answer to four decimal places.) (b) Find a 99% confidence interval for p. (Round your answers to two decimal places.) lower limit Type here to search O 9 D 790F Mostly clear ~ENG 11:26 PM 8/6/2022