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- After inspecting all of the 55,000 kg of meat stored at the Wurst Sausage Company, it was found that 45,000 kg of the meat was spoiled. Parameter or Statistic?The accompanying table shows the percentage of people with 2 dosage of Covid vaccine administered. Determine the parameters for the South 大 East Asian Countries.If the data set of measurements was entered in an Excel spreadsheet in cells A1 through E14, what formuls will you enter in a blank cell to calculate the number of samples in that data set?
- The automated data collection system for a manufacturing process will record data for 25,000 parts per day. Assume that, when stable, a certain process will operate with a nonconformance rate of 37.6 NCPPM (nonconforming parts per million). If the nonconformance rate per day is to be monitored using a control chart, what type of chart would be used? Choose a P, U, or X-Bar/S Charts, and explain in a few words.The data set lowbwt contains information for a sample of 100 low birth weight infants born in two teaching hospitals in Boston, Massachusetts. Measurements of systolic blood pressure are saved under the variable name sbp and indicators of gender-with 1 representing a male and 0 a female-under the name sex. sbp sex tox grmhem gestage apgar5 43 1 0 0 29 7 51 1 0 0 31 8 42 0 0 0 33 0 39 0 0 0 31 8 48 0 1 0 30 7 31 1 0 1 25 0 31 1 1 0 27 7 40 0 0 0 29 9 57 0 0 0 28 6 64 0 1 0 29 9 46 0 0 0 26 7 47 0 0 1 30 6 63 0 0 0 29 8 56 0 0 0 29 1 49 1 0 0 29 8 87 1 0 0 29 7 46 0 0 0 29 8 66 0 0 0 33 8 42 0 1 0 33 8 52 0 0 0 29 7 51 1 0 0 28 7 47 0 0 0 30 9 54 1 0 0 27 4 64 1 0 0 33 9 37 0 0 0 32 7 36 1 1 0 28 3 45 0 0 1 29 7 39 1 0 0 28 7 29 0 0 0 29 4 61 0 0 0 30 3 53 1 0 0 31 7 64 0 0 0 30 7 35 0 0 0 31 6 34 1 0 0 29 9 62 0 0 0 27 7 59 0 0 0 27 8 36 1 0 0 27 9 47 0 0 0 32 8 45 1 0 1 31 2 62 0 0 1 28 5 75 1 1 0 30…Ims.tu.edu.sa قائمة القراءة. Remaining Time: 34 minutes, 24 seconds. v Question Completion Status: QUESTION 1 "Suppose X has an exponential distribution with ß=1/2 , then P (X2 2) is " 0.3988 O 0.0183 0.4786 O 0.2916 QUESTION 2 "Suppose X has an exponential distribution with ß=1/4 , then P (Xs1.) is " O 0.9817 O 0.3246 O 0.4105 O 0.5116 QUESTION 3
- Several methods of estimating the number of seeds in soil samples have been developed by ecologists. An article gave the accompanying data on the number of seeds detected by the direct method and by the stratified method for 27 soil specimens. Specimen Direct Stratified 1 21 6 2 32 38 3 0 6 4 60 58 5 20 52 6 61 61 7 40 26 8 6 6 9 12 6 10 92 100 11 1 0 12 66 58 13 78 66 14 21 52 Specimen Direct Stratified 15 32 26 16 0 0 17 38 38 18 18 12 19 92 92 20 1 12 21 40 46 22 21 21 23 0 0 24 6 12 25 12 40 26 18 12 27 40 78 Do the data provide sufficient evidence to conclude that the mean number of seeds detected differs for the two methods? Test the relevant hypotheses using ? = 0.05. (Use ?direct − ?stratified.) Find the test statistic. (Round your answer to two decimal places.) t = Find the df. (Round your answer down to the nearest whole number.) df = Use technology to find the P-value. (Round your answer to four…The dataset lowbwt.dat contains information collected for a sample of 100 low birth weight infants. Measurements of systolic blood pressure are saved under the variable sbp. Values of the Apgar score recorded five minutes after birth (a measure of neonatal oxygen deprivation) are saved under the variable apgar5. sbp apgar543 751 842 039 848 731 031 740 957 664 946 747 663 856 149 887 746 866 842 852 751 747 954 464 937 736 345 739 729 461 353 764 735 634 962 759 836 947 845 262 575 744 039 848 743 619 463 742 644 925 826 827 935 840 744 666 859 324 740 349 553 945 950 864 748 648 458 767 840 848 836 544 653 945 654 844 242 550 048 529 530 236 044 046 951 451 543 748 552 843 642 848 549 862 745 951…A researcher estimated the average height of women aged 20 years old or older by taking 45 samples. The values are 50 inches and 73.9 inches, respectively * H = 20 and x = 45 H = 50 and x = 73.9 Option 3 O Option 1 u = 20 and x= 73.9 H = 50 and x = 45 %3D
- A county environmental agency suspects that the fish in a particular polluted lake have elevated mercury levels. To confirm that suspicion, five striped basses in that lake were caught and their tissues were tested for mercury. For the purpose of comparison, four striped basses in an unpolluted lake were also caught and tested. The fish tissue mercury levels in mg/kg are given below. Sample I(From Polluted Lake) 0.523 0.723 0.523 0.623 0.523 Sample II(From Unpolluted Lake) 0.323 0.223 0.523 0.323 0.000 (a) Construct the 95% confidence interval for the difference in the population means based on these data. (b) Test, at the 5% level of significance, whether the data provide sufficient evidence to conclude that fish in the polluted lake have elevated levels of mercury in their tissue.Several methods of estimating the number of seeds in soil samples have been developed by ecologists. An article gave the accompanying data on the number of seeds detected by the direct method and by the stratified method for 27 soil specimens. Specimen Direct Stratified 1 21 7 2 34 38 3 0 7 4 60 58 5 20 54 6 61 61 7 40 27 8 7 7 9 14 7 10 94 100 11 1 0 12 67 58 13 78 67 14 21 54 Specimen Direct Stratified 15 34 27 16 0 0 17 38 38 18 18 14 19 94 94 20 1 14 21 40 47 22 21 21 23 0 0 24 7 14 25 14 40 26 18 14 27 40 78 Do the data provide sufficient evidence to conclude that the mean number of seeds detected differs for the two methods? Test the relevant hypotheses using ? = 0.05. (Use ?direct − ?stratified.) Find the test statistic. (Round your answer to two decimal places.) t = Find the df. (Round your answer down to the nearest whole number.) df = Use technology to find the P-value. (Round your answer to four…Johnson Filtration, Inc. provides maintenance service for water-filtration systems. Data that follow show the repair time in hours, the months since last service, the repair type and the repair person for a sample of 10 maintenance service calls. Click on the datafile logo to reference the data. DATA file Repair Time in Hours Months Since Last Service Type of Repair Repairperson 2.9 2 Electrical Dave Newton 3.0 6 Mechanical Dave Newton 4.8 Electrical Bob Jones 1.8 Mechanical Dave Newton 2.9 Electrical Dave Newton 4.9 Electrical Bob Jones 4.2 9. Mechanical Bob Jones 4.8 Mechanical Bob Jones 4.4 4 Electrical Bob Jones 4.5 6. Electrical Dave Newton a. Ignore the months since last service and the repairperson data. Let type of repair be a dummy variable with 0 indicating a mechanical repair and 1 indicating an electrical repair. Develop the estimated simple linear regression equation that can be used to predict the repair time based on the type of repair (to 3 decimals). Time = Туре b. Is…