1I) Ine inree coniiuence iniervaiS Delow were consrucIeu nomm ue saine saInpie. Ule ul them was computed at a confidence level of 90%, another at a confidence level of 95% and another at a confidence level of 98%. Which is the confidence level at 98%? B) cannot be determined D) 31.3 u<40.7 A) 29.3<42.7 C) 30.3
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- Please help!13. The following is a valid interpretation of a confidence interval (7.0,15.0) for the average weight (lbs) of a cat at a certain vet's office with a = .05: "I am 95% confident that the average weight of a cat at this vet's office is between 7 pounds and 15 pounds." A. True B. False Consider the probabilities of the number of children that a married couple has, until they have their first girl. These probabilities are most likely described by a 14. distribution. A. binomial B. geometric C.Poisson D. exponentialA mathxl.cóm/St m. MAT 135 Rattray na E Homework: Chapter ... Question 4, 7.1.11 Express the confidence interval (0.042,0.136) in the form of p-E10. A quantity is measured using two different methods with results: x1 = (21.500 ± 0.078) and x2 (22.13 + 0.31). Use the consistency test and find if the results are in agreement within a 95% confidence level.Please help with A and CRefer to the accompanying data set of mean drive-through service times at dinner in seconds at two fast food restaurants Construct a 95% confidence interval estimate of the mean drive-through service time for Restaurant X at dinner, then do the same for Restaurant Y. Compare the jesults. E Click the icon to view the data on dnve-through service times Construct a 95% confidence interval of the mean drive-through servce times at dinner for Restaurant X |secPlease show workPlease show work!!!! suppose a 70% confidence interval for P is (0.746, 0.854). Which of the following interpretations is/are correct? A. There is a 70% chance that P is in this interval. B. We are 70% confident that P is in this interval. C. Out of 100 intervals approximately 70 will contain P(hat) and 30 will not. D. All of the other statements are true.Please help me with this problemWhat is z sub a/2 when a=.06? A) 1.96 B) 1.88 C) 1.645 D) 2.3 What is the confidence level of the following confidence interval for x bar +- 1.645o/square root of n? A) 90% B) 95% C) 98% D) 165%Its on the file.A study was done on proctored and nonproctored tests. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Proctored Nonproctored 42 30 34 - 77.24 88.62 10.83 22.29 a. Use a 0.05 significance level to test the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests. What are the null and alternative hypotheses? O A. Ho: H1 = H2 H4: H1 # H2 O B. Ho: H1 =H2 H1: H1>H2 O D. Ho: H1 # H2 OC. Ho: H1 = H2 H1: H1SEE MORE QUESTIONSRecommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
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