ttempt.php?attempt3D10552961&cmid%3D1303337&page%3D4Haley HairChebyshev's Theorem Practice: Scenario 1pleteut ofInstruction: Read the following scenarios and answer the questions."A generator manufacturer found that the smallest, least expensive generatorthat they manufacture lasts, on average, 2000 hours with a standarddeviation of 150 hours. At least what percent of the generators last between1550 and 2450 hours?"1. What is the mean?hours (Click to view hint)2. What is the standard deviation? Thours3.1550 isstandard deviationsthe mean and 2450standard deviationsthe mean.(Click to view hint)4. Based on Chebyshev's Theorem, what percent of the generators can theSA ESA

1. A mean value simply represents the average of the dataset. In the given case it is given that the…

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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QUESTION 5 Suppose you wish to see if there is a relationship between the price (units=$1000) and the rating (units-10 points) of laptop computers tested by Consumer Reports. A regression analysis on 14 computers revealed Ex₁ = 18.20, Ex² = 26.76, Eyi = 111.30, Ey2 = 894.19, and Exiyi = 149.60. What is the interpretation of B₁? Oa. None of the answers is correct b. For an increase of $1000 in price, the mean Consumer Report rating increases by 15.8387 points. OC. For an increase of 10 points in the Consumer Report rating, the mean price of a laptop increases by $158.3871. Od. For an increase of $1000 in price, the mean Consumer Report rating increases by 1.5839 points. Oe. For an increase of 10 points in the Consumer Report rating, the mean price of a laptop increases by $524.8530. QUESTION C ck Save and Submit to save and submit. Click Save All Answers to save all answers. F1 F2 20 F3 $ 000 000 F4 % S F5 MacBook Pro A 6 F6 & F7 DII * FB ∞
Tue M Preview File Edit View Go Tools Window Help O IMG 2729 ing. A O. IMG 2724.jpg ® Q Q Û e- O @ Qr Search O- Listed below are the numbers of cricket chirps in 1 minute and the corresponding temperatures in °F. Find the regression equation, letting chirps in 1 minute be the independent (x) variable. Find the best predicted temperature at a time when a cricket chirps 3000 times in 1 minute, using the regression equation. What is wrong with this predicted temperature? Chirps in 1 min 1050 1205 832 770 1242 946 1056 1110 O Temperature (°F) 79.4 93.4 69.8 70.1 93.6 80.5 83.5 89.1 Liste daud Iste sam Use betw The regression equation is y = +(x. (Round the y-intercept to one decimal place as needed. Round the slope to four decimal places as needed.) minu In th The best predicted temperature at a time when a cricket chirps 3000 times in 1 minute, based on the regression equation, is 1°F. (Typ (Round to the nearest integer as needed.) Iden 1- What is wrong with this predicted temperature?…
If a forecaster wanted to choose a forecasting model that avoided having a large forecasting error in any given period, which error metric should they use when evaluating their forecasting options? CFE O AFE MAD MAPE O MSE
Normal Probability Plot treponse Versus Fts Residual Ped vale 1. Find the regression equation (write the letter of the right answer (a,b.c. a. Final examination = -4.34 + 0.7222PrelimExamination + 1.3375MidtermExamination b. Final examination = 4.37 + 0.0929PrelimExamination + 0.0987MidtermExamination c. Final examination = -0.99 + 7.77PrelimExamination + 13.54MidtermExamination d. Final examination = -5.36 + 0.631PrelimExamination + 1.438MidtermExamination Percent
A statistical program is recommended. Electric power consumption is measured in kilowatt-hours (kWh). The local utility company offers an interrupt program whereby commercial customers that participate receive favorable rates but must agree to cut back consumption if the utility requests them to do so. A certain company cuts back consumption at 12:00 noon Thursday. To assess the savings, the utility must estimate the company's usage without the interrupt. The period of interrupted service was from noon to 8:00 p.m. Data on electric power consumption for the previous 72 hours are available. Time Period 12-4 a.m. 4-8 a.m. (b) Compute 8-12 noon 12-4 p.m. 4-8 p.m. 8-12 midnight 41,310 Time Period 12-4 a.m. 4-8 a.m. 8-12 noon Monday 12-4 p.m. 4-8 p.m. 8-12 midnight 124,299 123,666 113,555 111,717 Seasonal Index 0.3262 0.4484 1.3647 Tuesday 1.6992 (a) Is there a seasonal effect over the 24-hour period? O No, the time series plot indicates a linear trend with no seasonal effect. O Yes, the…
Question 1 part D
How to do this with excel functions.
Which of the following applies the concept of “layering” to increase the sensitivity of a research analysis? Group of answer choices a. Chi-square Contingency Tables b. Binary Logistic Regression c. Regression d. Answers 1 and 2 only e. Answers 1, 2 and 3
Which of the following is (are) TRUE about the arcsine transformation? It is used for percentage data that are based on counts. It is recommended for percentage data ranging from 30% to 70% . A. I onlyB. II onlyC. Both I and IID. Neither I nor II Which of the following is (are) TRUE about the arcsine transformation? Proportions or percentage should be based on equal number of trials. Adjustments must be made for 0% and 100% which depend on the number of trials A. I onlyB. II onlyC. Both I and IID. Neither I nor II 33. Which of the following is (are) TRUE about the square root transformation? It is used for percentage data that range from 0 to 30 or 70 to 100% It is recommended for small whole numbers like counts of rare events A. I only B. II only C. Both I and II D. Neither I nor II Which of the following is (are) TRUE when variances are heterogeneous across treatments? Transformation works when there is a mean-variance relationship. Error partitioning…
QUESTION 1 Mr Stat was hired to do some research for the local potion master. He ran a Minitab analysis and found the regression equation for the age increase in years based on the quantity in milliliters, of Ageing Potion one consumed. Age Increase = 0.045*Quantity %3D a) What is the explanatory variable? Quantity b) What is the response variable? Age Increase Suppose the quantities in the st anged from 150ml to 740ml. If unable to predict, answer with n/a. c) How many years would someone's age increase if they drank 200ml? d) How many years would someone's age increase if they drank 100ml? n/a
The forecast for year 6 using a weighted 2-year moving average with weights of 0.350.35 and 0.650.65 (the weight of 0.650.65 is for the most recent period) is what?

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