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Mound-shaped and symmetric

NettetThe manufacturer of a new compact car claims the miles per gallon (mpg) for the gasoline consumption is mound shaped and symmetric with mean u = 25.9 mpg and standard deviation o=9.5 mpg. If 30 such cars are tested, what is the probability the average mpg is less than 23 miles per gallon? Expert Answer 100% (1 rating) NettetA specific type of symmetrical distribution, also known as a bell-shaped distribution Empirical Rule On a normal distribution about 68% of data will be within one standard deviation of the mean, about 95% will be within …

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NettetStatistics and Probability questions and answers. The manufacturer of a new compact car claims the miles per gallon (mpg) for the gasoline consumption is mound-shaped and symmetric with a mean of 24.6 mpg and a standard deviation of 9.5 mpg. If 30 such cars are tested, what is the probability the average mpg achieved by these 30 cars will be ... NettetBy the central limit theorem, the x distribution is approximately normal. (d) Compare your answers to parts (b) and (c). Did the probability increase as n (number of months) increased? Why would this happen? Yes, probability increases as the standard deviation decreases. (e) If after 18 months the average monthly percentage return x is more ... factorio water pumps not working https://bexon-search.com

Solved The manufacturer of a new compact car claims the

Netteta) The sampling distribution of sample mean is approximately normal, mound-shaped, and symmetric for n> 30 or n = 30. b) The expected value of the sample mean, X, is always the same as the expected value of X, the distribution of the population from which the sample was taken. NettetQuestion: when a distribution is mound-shaped symmetrical, what is the general relationship among the values on the mean, median, and mode? The mean is less than … NettetThe distribution of dates was more or less mound-shaped and symmetric about the mean. Use the empirical Question: At Burnt Mesa Pueblo, archaeological studies have used the method of tree-ring dating in an effort to … factorio water pump not pumping

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Category:SOLVED: If it is know that the distribution is mound- shaped

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Mound-shaped and symmetric

Solved Results of a survey revealed that the distribution of

NettetIf the distribution of monthly bills can be considered mound-shaped and symmetric, what percentage of homes will have a monthly bill of more than $85 and less than This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. See Answer NettetA numerical model was developed to simulate the evolution of a mound placed in the offshore (i.e., outside the zone of wave breaking), exposed to varying non-breaking waves and water levels. The net sediment transport rate is assumed to be mainly dominated by bed load transport, where wave asymmetry plays an important role. The net transport …

Mound-shaped and symmetric

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Nettet2. apr. 2024 · For data having a distribution that is BELL-SHAPED and SYMMETRIC: Approximately 68% of the data is within one standard deviation of the mean. Approximately 95% of the data is within two standard deviations of the mean. More than 99% of the data is within three standard deviations of the mean. This is known as the Empirical Rule. NettetA mound is a heaped pile of earth, gravel, sand, rocks, or debris.Most commonly, mounds are earthen formations such as hills and mountains, particularly if they appear artificial.A mound may be any rounded area …

Netteta) If we have a distribution of x values that is more or less mound-shaped and somewhat symmetrical, what is the sample size n needed to claim that the distribution of sample means x from random samples of that size is approximately normal? n ≥______ (b) If the original distribution of x values is known to be normal, do we need to make any ... NettetA random sample of 16 values is drawn from a mound-shaped and symmetric distribution. The sample mean is 12 and the sample standard deviation is 2. Use a level of significance of 0.05 to conduct a two-tailed test of the claim that the population mean is 11.5. (a) Is it appropriate to use a Student's t distribution? Explain.

Nettet19. jul. 2024 · populations. The Empirical Rule is a rule of thumb that applies to data sets with frequency distributions that are mound-shaped and symmetric, as shown below. mean, i.e., within the interval (x – 5,+ s) for samples and (w – 0,4 + o) for populations. NettetA Practical Interpretation of the Standard Deviation • Empirical Rule (68-95-99.7% Rule) (i) Requirement of Data Shape: Mound-shaped or Symmetric (ii) μ ± 1 σ (or ¯ x ± 1 s) contains “ about 68% ” of the values in the population (or sample).

Nettet3. apr. 2024 · Answer: 0.121 Step-by-step explanation: Given : The manufacturer of a new compact car claims the miles per gallon (mpg) for the gasoline consumption is mound …

NettetThe manufacturer of a new compact car claims the miles per gallon (mpg) for the gasoline consumption is mound-shaped and symmetric with a mean of 25.9 mpg and a standard deviation of 9.5 mpg. If 30 such cars are tested, what is the probability the average mpg achieved by these 30 cars will be greater than 28? does the sun make you happierNettetSuppose that the distribution of weekly water usage for single-family homes in a particular city is mound shaped and approximately symmetric. The mean is 1,400 gallons, and the standard deviation is … factorio water pumps to boilersNettet9. mar. 2024 · The standard deviation for the distribution of scores is 6.. We are given the following information in the question. Mean, μ = 78. We are given that the distribution of score is a bell shaped distribution that is a normal distribution.. What is the empirical formula? Almost all the data lies within three standard deviation from mean for a normal … factorio water throughput for pipeNettet21. jul. 2024 · Shape. When graphing the data from each of the examples in the introduction, the distributions from each of these situations would be mound-shaped … factorio what do biters attackfactorio water pump boiler steam engineNettetMath Statistics A random sample of 25 values is drawn from a mound-shaped and symmetric distribution. The sample mean is 14 and the sample standard deviation is 2. Use a level of significance of 0.05 to conduct a two-tailed test of the claim that the population mean is 13.5. does the sun move in an orbitNettetHere we have a relatively mound shaped distribution with a mean of 16 and a standard deviation of 14 and it wants to know what proportion of data is greater than 74 point. We're looking for this shaded area to get the percentage that it would be if we went the other way. factorio what is a megabase