*Course Hero " Test 5 D - MAT 181, section LC, Six https://www.google.com/search? > C webassign.net/web/Student/Assignment-Responses/submit?dep=29191591&tags=autosave#question4742825_5 Q E X 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.. Find the sample size necessary for an 80% confidence level with a maximal margin of error E = 0.07 for the mean weights of the hummingbirds. (Round up to the nearest whole number.) hummingbirds 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. 1,222 1,229 1,320 1,194 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.) 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. [2/5 Points] DETAILS PREVIOUS ANSWERS 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 528 judges, it was found that 291 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.) O S 78OF Mostly clear ~ENG 12:40 AM Type here to search 8/7/2022