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- In a fabric manufacturing factory , the quality control process using control charts from SPC . In an hour there are a total of 5 samples are taken each having 5 observations regarding the thickness of fabric in measured in millimeters . In a particular hour , the sample means (X -bar) are noted to be : 156.46 , 199.62 , 189.31 , 102.22 , and112.09 respectively . In the same sample , the corresponding ranges are : 11.97 , 12.17 , 13.94, 11.8 11.86 , and 11.83 respectively . What are the lower and upper control limits for the R chart ? a . 0, 25.12 b. 0,30.07 c. 0,28.17 d. None is correct e. 0,26.07 f. 0,29.17According to AC Lens, green eye color is one of the rarest with only 2% of the world's population having that eye color. A random sample of 1000 people from around the world are selected. Let ?ˆp^ be the proportion of the sample which has green eyes. What is the mean of the sample proportion? Answer11) What is the percentage of players whose height is less than 70 inches? (pAes) 12) What is the percentage of players whose height is between 64 inches and 68 inches? mguto
- 112.1Q)The degree of freedom for the chi squared distribution is 12. Find the value of the 92nd percentile of the chi squared distribution. The value is (Round your answer to three decimal places.)Suppose that the weights of 600 male students are normally distributed with mean u = 60 kg and a = 6 kg then the number of students with weights between 54 and 66 is 190 None 410 505Find the proportion of N.d. observations with a zz-score between z_1 =z1= -2.45 and z_2 =z2= 2.71. Give your answer to four decimal places.
- Test the claim about the population proportion p<0.850 given n = 60 and p = 0.656. Use a = 0.05. !3! Edit View Insert Format Tools Table 12pt v Paragraph B IUA eY Tiv 网Please see below. Note that I am only given one attempt at this and I believe that the answer I have may not be correct. In selecting the sample size to estimate the population proportion pp, if we have no knowledge of even the approximate value of the sample proportion p̂ p^, we:A. take two more samples and find the average of their p̂ p^B. let p̂ =0.95p^=0.95C. let p̂ =0.50p^=0.50D. take another sample and estimate p̂ p^ Under which of the following circumstances is it impossible to construct a confidence interval for the population mean?A. A normal population with a large sample and a known population variance.B. A normal population with a small sample and an unknown population variance.C. A non-normal population with a large sample and an unknown population variance.D. A non-normal population with a small sample and an unknown population variance.Identify a formula that you might use in Excel to determine the minimum required sample size. =SET. Automatic Red 30 Red 30. Hike, Hike =((1.65*6.8)/1.5)^2 =SQRT((1.65*6.8)/1.5) =(1.65*6.8)^2/1.5 =(1.65*6.8)/1.5^2
- Home-myRCC mylearning.suny.edu/d21/le/content/920969/viewContent/25846458/View The following data represents the age of 30 lottery winners. Given the frequency distribution for the data, Age Frequency Relative Frequency Cumulative Relative Frequency [20,29] 0.1667 [30,39] 0.1 [40,49] 0.2 [50,59] 0.1 [60,69] [70,79] [80,89] 8 ✓ A.1 HW-23FA STATISTICS (81 x 5 3 6 3 4 8 1 What is the frequency of lottery winners of age between 19 and 40? 30 ✓% 0.1333 0.2667 0.0333 What percentage of lottery winners are 70 years or older? 0.266 + What is the relative frequency of ages under 40? What is the cumulative relative frequency of lottery winners younger than 50? O 0.1667 0.2667 0.4667 0.5667 0.7 0.9667 1 SEP 13In a fabric manufacturing factory, the quality control process using control charts from SPC. In an hour there are a total of 5 samples are taken each having 4 observations regarding the thickness of fabric in measured in millimeters. In a particular hour, the sample means (X-bar) are noted to be: 156.46, 199.62, 189.31, 102.22, and112.09 respectively. In the same sample, the corresponding ranges are: 11.97, 12.17, 13.94, 11.86, and 11.83 respectively. What are the lower and upper control limits for the X-bar chart? O a. 145.40, 190.72 O b. 143.55, 165.47 144.77, 159.11 O d. 156.55, 170.47 O e. 142.92, 160.96 Of. None is correct US PAGE NEXT PAGEQuestion: From the following ultimate class frequencies of the positive and negative classes and the total number of observations: (AB) = 100, (B) = 80, (AB) 50, %3D (aß)=40.