Suppose that f(x) = e* for 0 < x. Determine the cumulative distribution function. Find the value of the cumulative distribution function at x = 2.84. Round your answer to 3 decimal places.
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- ThanksThe total number of thousands of tons of coal produced per year over a 10-year period for a certain region is provided in the accompanying dataset. Use double exponential smoothing to determine which pairs of values for a and ß minimize MAD for this dataset. α = 0.1, p=0.9; a=0.5, ß= 0.2; x = 1, ß= 0.6 Click the icon to view the coal production data. First find the MAD for each pair of values, a and ß. (Type integers or decimals rounded to two decimal places as needed.) X В MAD 0.9 0.2 0.6 0.1 0.5 1 123 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 A Year 1 2 3 4 5 6 7 8 9 10 B Coal Production (thousands of tons) C 434333 434332.9 420420 420419.9 439047 439046.9 477192 477191.9 504182 504181.9 526959 526958.9 546824 546823.9 564878 564877.9 556704 556703.9 570973 570972.9 DCyanide is used in solution to isolate gold in a mine. ¹ This may result in contaminated groundwater near the mine, which needs to be filetered. The following table gives the concentration, c(t) (in parts per million), of cyanide in the groundwater, where t is in years since 2017. 1 www.waterboards.ca.gov, accessed September 16, 2019. t (years) c(t) (ppm) 25.0 21.8 19.01 (a) Find an exponential model for c(t). O i 1 (b) Use the model in part (a) to find the number of years it takes for the cyanide concentration to fall to 11 ppm. Round to three decimal places. 2 (c) The filtering process removing the cyanide is sped up so that the new model is D(t) = c(2t). Find D(t). (d) If the cyanide removal was started three years earlier, but run at the speed of part (a), find a new model, E(t). 1.c (t) = 25(0.872)', D (t) = 25(0.7604)', E (t) = 16.576(0.872)' II. c (t) = 16.576(0.872)', D (t) = 25(0.7604)', E (t) = 25(0.872)' III. c (t) = 16.576(0.7604)', D (t) = 25(0.7604)', E (t) = 25(0.872)'…
- Based on the graph above, estimate ( to one decimal place) the average rate of change from x=1 to x=4Use the data in the table to determine the solution. Number of Divorces per 1000 Married Women, Year Age 15 and Older D 1980 22.7 1985 21.7 1990 20.7 1995 19.7 2000 18.7 2005 17.7 Estimate o1993). (Use the average rate of change between the two consecutive data points that have years closest to 1993.) | divorces per 1000 married women Interpret what it means in a real-world context. This means the estimated number of divorces per 1000 married women in 1993 isThe equation below estimates the effect of race on the probability of mortgage denial, holding constant the payment-to-income ratio. Pr (deny=1|P/I ratio, black) =(-2.29+2.78P/I ratio +0.71 black) (0.16) (0.46) (0.087) A black mortgage applicant has a P/l ratio of 0.38. What is the predicted probability that his application will be denied? The predicted probability that his application will be denied is%. (Express your response as a percentage and round to two decimal places)
- The least-squares regression equation is y=761.7x+13,208 where y is the median income and x is the percentage of 25 years and older with at least a bachelor's degree in the region. The scatter diagram indicates a linear relation between the two variables with a correlation coefficient of 0.7483. Predict the median income of a region in which 20% of adults 25 years and older have at least a bachelor's degree.Please help with part g, d, and eThe American Mineralogist (Oct. 2009) published a study of the evolution of uranium minerals in the Earth's crust. Researchers estimate that the trace amount of uranium x in reservoirs follows a uniform distribution ranging between 1 and 3 parts per million. Complete parts a through c. a. Find E(x) and interpret its value. Select the correct answer below and fill in the answer box to complete your choice. (Simplify your answer.) O A E(X)= . This value gives the minimum parts per million of uranium for the collection of all reservoirs on the Earth. O B. E(x)= This value gives the maximum parts per million of uranium for the collection of all reservoirs on the Earth. CC E(x)= 2. This value gives the mean parts per million of uranium for the collection of all reservoirs on the Earth. OD. E(X) = This value gives the mean parts per million of uranium in each reservoir on the Earth. b. Compute P(2Recommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
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