a sample x1-5, x2-7, x3-4 are id from Exp(lamda) distribution, find MLE of lamda,
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- Apply K-mean Clustering for the following single data set for two clusters (k=2). Data set = {2, 4, 9, 10, 3, 24, 38}cdn.student.une.exam.us.netdban3D18sessi.. E STAT-101_FEX_2021_2_ Male Choose the correct answer for the following question: A company claim that the proportion of workers those are satisfied with their jobs is more than 0.70. If, in randomly selected sample of 120 worken, 96 saying that they are satisfied with their jobs. The sample 27 - 30 62do -> a0.70, 0.96 b 0.70, 0.80 ce362do C 0.80,0.70 d. 0.96, 0.70 ce362dch017 ce362dcf9 ce3628c7s ce362dcf917 MacBook Pro ce362dcf917 ce362def9 00 O0The average wait time to get seated at a popular restaurant in the city on a Friday night is 15 minutes. Is the mean wait time different for men who wear a tie? Wait times for 15 randomly selected men who were wearing a tie are shown below. Assume that the distribution of the population is normal. 13, 13, 14, 13, 17, 16, 17, 17, 13, 14, 15, 14, 16, 15, 14 What can be concluded at the the a = 0.10 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ?v Select an answer v H1: Select an answer v c. The test statistic ? v = (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is ? v a f. Based on this, we should Select an answer v the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest the population mean is not significantly different from 15 at a = 0.10, so there is statistically insignificant…
- The time to complete the Advanced Placement (AP) Statistics Exam in previous years is normally distributed with an average time of 2.4 hours. Because of school closures due to COVID-19, the College Board offered an at-home test for the 2020 AP Statistics Exam. A teacher feels that students, on average, will have a different completion time for the at-home exam. They take a random sample of 25 students that took the exam and their mean time was 2.74 hours with a standard deviation of 0.25 hours. Test to see if the mean time has significantly changed using a 5% level of significance. Give answers to at least 4 decimal places. What are the correct hypotheses? Ho: M H₁: P Based on the hypotheses, find the following: Test Statistic t = Critical-Value t = ± 2.4 #v 2.4 o hours hoursThe height of women ages 20-29 is normally distributed, with a mean of 64.9 inches. Assume σ=2.4 inches. Are you more likely to randomly select 1 woman with a height less than 66.8 inches or are you more likely to select a sample of 14 women with a mean height less than 66.8 inches? Explain.The average wait time to get seated at a popular restaurant in the city on a Friday night is 15 minutes. Is the mean wait time greater for men who wear a tie? Wait times for 13 randomly selected men who were wearing a tie are shown below. Assume that the distribution of the population is normal. 17, 16, 14, 16, 14, 15, 16, 15, 14, 14, 13, 15, 17 What can be concluded at the the a = 0.05 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? vSelect an answer v H: ? v Select an answer v c. The test statistic ? v: (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is ? v a f. Based on this, we should Select an answer v the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest that the population mean wait time for men who wear a tie is not significantly more than 15 at a = 0.05, so there is…
- Is this distribution of "Day of the Month Born" for this statistics class approximately Normal? Justify your answer using the 68-95-99.7 rule.Don't copy from any website pleaseThe time to complete the Advanced Placement (AP) Statistics Exam in previous years is normally distributed with an average time of 2.6 hours. Because of school closures due to COVID-19, the College Board offered an at-home test for the 2020 AP Statistics Exam. A teacher feels that students, on average, will have a different completion time for the at-home exam. They take a random sample of 26 students that took the exam and their mean time was 2.73 hours with a standard deviation of 0.25 hours. Test to see if the mean time has significantly changed using a 5% level of significance. Give answers to at least 4 decimal places. What are the correct hypotheses? Ho: Select an answer ✓ H₁: Select an answer ✓ Test Statistic t = ? ✓ Critical-Value t = ± ? ✓ hours Based on the hypotheses, find the following: hours Shade the sampling distribution curve with the correct critical value(s) and shade the critical regions. The arrows can only be dragged to t-scores that are accurate to 1 place after…
- Q-18: What is symmetrical, right skewed and left skewed distribution and its properties? What is leptokurtic, mesokurtic and platykurtic distribution and its properties?Data from 14 cities were combined for a 20-year-period, and the total 280 city-years included a total of 168 homicides. After finding the mean number of homicides, find the probability that a randomly selected city has the followng number of homicides. Homicides each city-year: 0, 1, 2, 3, 4 Actual results: 155, 90, 28, 6, 1 P(0)=Ten corvettes between one and six years old were randomly selected from the classified ads of the Arizona republic the following data were obtained where X denotes age in years and y denotes price in hundreds of dollars. x (age) 6,6,6,2,2,5,4,5,1,4 price(100ths) 270,260,275,405,364,295,335,308,405,305 (a).draw a scatter diagram. (B)Find the nearest correlation coefficient r. (C)
