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Suppose the random variable X is normally distributed with the mean m = 130 and standard deviation s = 26. Find out the 10^{th} and 85^{th} percentiles.
Statistics and Probability, Statistics
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Jim has weighted GPA of 3.84. His high school GPA's are normally distributed with a mean of 2.9 and a standard deviation of 0.5. Kim's high school uses unweighted GPA's and she has a GPA of 3.57. GPA's are also normally ...
Answer the following questions showing all work. 1. Using http://onlinestatbook.com/stat_sim/sampling_dist/index.html, select a population distribution that is NOT normal (i.e., heavily skewed, uniform, bimodal). Using t ...
Consider a normal population with μ = 47 and σ = 6. Calculate the z-score for an x of 46.3 from a sample of size 26. (Give your answer correct to two decimal places.
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Exam - Probability and Stochastic models Part A - Q1. Twelve recruits were subjected to a selection test to ascertain their suitability for a certain course of training. At the end of training there were given a proficie ...
Consider the following belief space, where the set of players is N = {I, II}, and the set of states of nature is S = {s 1 , s 2 }: Write out the belief hierarchies of orders 1, 2, and 3 of Player I, at each state of the ...
What is the difference between dependent and independent variables? On which side of the regression equation does each lie? Describe how Doane's rule relates to the number of allowed independent variables. Why is this i ...
A business student is interested in estimating the 99% confidence interval for the proportion of students who bring laptops to campus. He wishes a precise estimate and is willing to draw a large sample that will keep the ...
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Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group
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