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The strength of wire produce by company A has mean 4500kg and standard deviation of 200kg company B has a mean of 4000kg and a standard of 300kg A sample of 500 wires of company A and 100 wire of company B are selected at random for testing the strength Find 99 percent confidence interval on the different on the average strength of the population of the wire produce by two companies?
It is false that some forms of human creativity are activities amenable to mathematical analysis. Therefore, it is false that all forms of human creativity.
Acing the first test Here are the scores of Mrs. Liao's students on their first statistics test: How did the students do on Mrs. Liao's first test?
according the international atomic energy agency electricity per-capita consumption in canada is 16939 kwh in 2002. a
a. Construct a frequency distribution to display this data. b. What are the midpoints of the class intervals?
Explain the different approaches that are used to identify human remains from a mass disaster, depending on whether the body remains intact
1. the probability distribution of y the number of imperfections per 10 meters of a synthetic fabric in continuous
Suppose that you select a sample of 100 U.S. hospital patients. The probability is 90% that the sample percentage will be within what symmetrical limits of the population?
Calculate the coefficient of determination, R^2 = 1- ESS/TSS and comment on its value. Estimate this regression by Ordinary Least Squares (OLS) method.
A magazine article stated that the average age of women who are getting married for the first time is 26 years. A researcher decided to test this hypothesis at α = .02. She selected a sample of 25 women who were recently married for the first time..
project k costs 70000 its expected cash inflows are 16000 per year for 8 years and its wacc is 13. what is the projects
Is there a statistically significant difference between the bowling averages of male nurses and those of businessmen, if last year's league play produced the following data
Draw a histogram of TPCP. Estimate by eye the lowest and the highest data values from the graph (do not calculate; instead, estimate from your graph). Are there any outliers
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