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$ 805 X Need Help? Read It ASWSBE14 3.E.023. PREVIOUS ANSWERS DETAILS [3.5/7 Points] Consider a...
4. -14 points ASWSBE14 3..028. My Notes Ask Your Teacher Varatta Enterprises industrial plumbing valves. The following tables the annual sales amounts for every asperson the organization for the most recent year Salesperson Sales Amount (51000) Salesperson Sales Amount (51000) Samantha Erin Domine 193 Amol 212 Lenisa (a) Compute themes in variance, and standard deviation ( ) for the annual sal values (Round your answer to the nearest whole number) standard deviation 5 m ount the most recent (h) In...
2/3 Points] DETAILS PREVIOUS ANSWERS MENDSTATC4 7.E.026. A random sample of size n = 25 is selected from a population with mean - 59 and standard deviation 0 = 25. (a) What will be the approximate shape of the sampling distribution of X? normal O skewed symmetric (b) What will be the mean and standard deviation of the sampling distribution of x? mean 59 standard deviation 25 X Need Help? Read it 2.s
sed /20 Points] DETAILS PREVIOUS ANSWERS ASWSBE14 4.E.039.MI. he prior probabilities for events A, and A, are P(A) - Ad and P.) 0.50. It is also known that RANA) - 0. Suppose PDIADOR and PCIA) = 0.10, a) Are A, and A, mutually exclusive? They are mutually exclusive. How could you tell whether or not they are mutually excesive? OPB1A,)*P(A2) O PLA) PATA) OP(A2)+P%, 1A, 1o PA, NA PA) + PA3) 1 ho (b) Compute PA, B) and PA, 15)....
3. [1/5 Points) DETAILS PREVIOUS ANSWERS ASWSBE14 8.1.003 MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER You may need to use the appropriate appendix table or technology to answer this question A simple random sample of 90 itens resulted in angle mean of 60. The population standard deviation is a = 15 (a) Compute the 95% confidence interval for the population mean (Round your answers to two decimal places 12.07 X to 6207 x (b) Assume that the same sample nea...
5. [1/3 Points] DETAILS PREVIOUS ANSWERS BBUNDERSTAT12 3.2.005.MI Consider the data set. 2, 3, 5, 6, 9 (a) Find the range. 17 (b) Use the defining formula to compute the sample standard deviation s. (Round you 2.7 (c) Use the defining formula to compute the population standard deviation o. (Round 2.4
+ 0.84/4.16 points Previous Answers ASWSBE14 8.E.003. My Notes + Ask Your Teacher You may need to use the appropriate appendix table or technology to answer this question. A simple random sample of 90 items resulted in a sample mean of 60. The population standard deviation is o = 10. (a) Compute the 95% confidence interval for the population mean. (Round your answers to two decimal places.) to (b) Assume that the same sample mean was obtained from a sample...
24 Points] DETAILS PREVIOUS ANSWERS MENDSTATC4 7.E.030.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTH Suppose a random sample of n = 25 observations is selected from a population that is normally distributed with mean equal to 108 and standard deviation equal to 14. A USE SALT (a) Give the mean and the standard deviation of the sampling distribution of the sample meanx. mean 108 standard deviation 28 (b) Find the probability that exceeds 114. (Round your answer to four decimal...
3. [-/1 Points] DETAILS MENDSTAT15 2.2.001. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Consider the following. n = 5 measurements: 3, 3, 1, 2, 5 Calculate the sample variance, s?, using the definition formula. S2 = Calculate the sample variance, s2 using the computing formula. $2 = Calculate the sample standard deviation, s. (Round your answer to three decimal places.) S = Need Help? Read It Watch It Talk to a Tutor 4. [-/1 Points] DETAILS MENDSTAT15 2.3.006. MY NOTES...
7. 0/1 points Previous Answers ASWESBE9 6.E.023.MI. My Notes Ask Your Teacher You may need to use the appropriate appendix table to answer this question. The time needed to complete a final examination in a particular college course is normally distributed with a mean of 80 minutes and a standard deviation of 10 minutes. Answer the following questions. (a) What is the probability of completing the exam in one hour or less? (Round your answer to four decimal places.) (b)...
2.0 2.5 2 4.0 8 (a) Compute the weighted mean. (Round your answer to three decimal places.) 13.44 (b) Compute the sample mean of the four data values without weighting. 3.025 Note the difference in the results provided by the two computations. Need Help? Read Walch 3. [O/10 Points) DETAILS PREVIOUS ANSWERS ASWSBE14 3.E.005.MI. Consider a sample with data values of 26, 25, 20. i5, 1, 33.29, and 25. Compute the 20th 25th, 65th, and 75th percentiles. 20th percentile 22x...