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Thickness measurements of a coating process are made to the nearest hundredth of a millimeter. The thickness measurements are uniformly distributed with values 0.10, 0.11, 0.12, 0.13, 0.14. Determine the mean and variance of the coating thickness for this process. Round your answers to four decimal places (e.g. 98.7654 .
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There were 49.7 million people with some type of long-lasting condition or disability living in the United States in 2000. This represented 19.3 percent of the majority of civilians aged five and over (http://factfinder.census.gov). A sample of 1000 persons is selected at random. (a) Approximate the probability that more than.
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Third-party candidates are something of a puzzle for students of electoral behavior. In presidential elections, most voters cast their ballots for one of the major-party candidates, but many voters support candidates of minor parties, such as the Reform Party, the Green Party, the Constitution Party, the Libertarian Party, or the.
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these some problems ,need solutions from "Introduction to Time Series Analysis and Forecasting,2nd edition" book 1.2 What is a time series? Explain the meaning of trend effects, seasonal variations, and random error. 1.3 Explain the difference between a point forecast and an interval forecast. .
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