Description
A stone cube measures 20 cm on each side. A cylinder with a diameter of 12 cm is drilled through it. What is the remaining volume in liters? Use 3.14 for π, and round to the nearest hundredth of a liter
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Explanation & Answer
In our case h of cylinder = length of the cube side a.
R of cylinder =12/2=6
Volume of cylinder = pi*R^2*h = 3.14*6^2*20 = 2260.8cm^3
Volume of cube = a^3 = 20^3 = 8000cm^3
The remaining volume = 8000 - 2260.8 = 5739.2cm^3
1cm^3 = 0.001liter, so 5739.2cm^3 = 5.74 liters
Answer: 5.74 liters
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For this assignment, you will use the "Adult Incomes" data set from the Topic Materials.
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University of Phoenix Parking Lot Occupancy Planning Discussion
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Liberty University Statistics K-Nearest Neighbor Classification Essay
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The purpose of this assignment is to perform k-Nearest Neighbor classification, interpret the results, and analyze whether or not the information generated can be used to address a specific business problem.
For this assignment, you will use the "Adult Incomes" data set from the Topic Materials.
ABC Survey Company collects data via surveys that it then sells to marketing departments. Marketing departments typically do not like missing data. Since survey takers typically do not like to answer questions regarding their salary, the one question usually missing from the survey results is, "Is your annual salary $50,000 or more?"
You are the analyst who has been tasked with finding a way to impute (i.e., fill-in) the answer to the question, "Is your annual salary $50,000 or more?" This information can best be imputed based upon how individuals answer other survey questions related to their marital status, educational level, occupation, and familial relationship status. If this important question can be accurately imputed, then the worth of the survey data provided by ABC Survey Company increases dramatically.
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Question 2: Using the same variables and the k selected in Question 1, rerun the nearest neighbor model using the feature selection option in the IBM SPSS Modeler. What is the set of variables that minimize the error rate? Include the "Predictor Selection Error Log" output when submitting the answer.
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