se the given degree of confidence and sample data to construct a confidence interval for the population proportion p. 1) n= 158, x= 108; 95 percent
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- How large a sample must be taken to estimate the proportion of households in which a cell phone is owned with 95% confidence to within three percentage points (0.03)? 4.A poll was conducted that asked 1015 people how many books they had read in the past year. Results indicated that x = 14.7 books and s= 16.6 books. Construct a 90% confidence interval for the mean number of books people гead. Click the icon to view the table of areas under the t-distribution. Construct a 90% confidence interval for the mean number of books people read. D (Use ascending order. Round to two decimal places as needed) Enter your answer in each of the answer boxes. P Type here to search 日C 6 PM 4/18/2021 444 ING DELL ఛార్టమా PriScr Insert Deenn F10 F12 F9 F5 F6 F7 FB 24 F1 F2 F3 F4 ESc 411 1A Vegen 40 H4 Backspace te %23 6. 7\ 4 Y] R 7ab K H. F S Geps Lock M V B C Cr つ つFind the t - Value that Corresponds to: 1.) a. 98% Confidence Level with 25 degrees of freedom. 99.9% Confidence Level with 30 degrees of freedom. 90% Confidence Level with 18 degrees of freedom. 80% Confidence Level with 40 degrees of freedom.
- Pulse Rates (beats per minute) Males Females 84 71 78 84 74 61 93 82 47 73 57 72 59 51 71 68 71 55 55 85 62 69 80 92 50 58 79 86 73 80 89 92 54 69 86 88 64 63 55 91 72 62 36 70 61 96 65 89 65 56 82 82 78 63 75 80 81 55 78 72 64 56 64 58 67 67 68 103 97 68 77 71 42 87 57 74 87 61 64 75In each of Exercises, we have given a likely range for the observed value of a sample proportion p. a.Based on the given range, identify the educated guess that should be used for the observed value of ˆ p to calculate the required sample size for a prescribed confidence level and margin of error.b.Identify the observed values of the sample proportion that will yield a larger margin of error than the one specified if the educated guess is used for the sample-size computation. 0.7 or lessUse the given degree of confidence and sample data to construct a confidence interval for the population proportion p. n=130, x=69, 90% confidence OA. 0.459Listed below are weights (hectograms, or hg) of randomly selected girls at birth, based on data from the National Center for Health Statistics. Here are the summary 15, x = 30.2 hg, s =2.40hg. Use the sample data to construct a statistics: n = %3D 95% confidence interval for the mean birth weight of girls.Please help.Construct the 99.5% confidence interval for the difference p, - p, when x, = 50, n, = 75, x, = 65, and n, = 151. Round the answers to three decimal places. A 99,5% confidence interval for the difference between the two proportions isJse the sample data and confidence level given below to complete parts (a) through (d). A drug is used to help prevent blood clots in cértain patients. In clinical trials, among 4334 patients treated with the drug, 12 developed the adverse reaction of nausea. Construct a 95% confidence interval for the proportion of adverse reactions. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E =II. A. Find the t-value corresponding to each level of confidence and degrees of freedom. (2 pts) 1. 90% confidence level and n= 12 2. 99% confidence level and n=20 3. a =1% and n= 16This Quiz: 10 pts possi Use the sample data and confidence level given below to complete parts (a) through (d). A drug is used to help prevent blood clots in certain patients. In clinical trials, among 4549 patients treated with the drug, 123 developed the adverse reaction of nausea. Construct a 99% confidence interval for the proportion of adverse reactions. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E= (Round to three decimal places as needed.) c) Construct the confidence interval.SEE MORE QUESTIONSRecommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
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