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2.* Suppose that X ,-- N3(0, E), where(1 p 0 E= p 1 p . 0 p 1(a) Find Cov(Xi + X2 + X3, X1 - X2 - X3 ) .(b) Show that there is a value of p for which the covariance in (a) is zero. For this value, are the two random variables in (a) independent?
Statistics and Probability, Statistics
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Assignment - In this assignment MS Excel must be used to perform any calculations/graphical presentations as required in this assignment. Question 1 - Below you are given the examination scores of 20 students (data set a ...
The height of woman ages 20-29 is normally distributed , with a mean of 64.3 inches. assuming the standard diviation = 2.4 inches. are you more likely to randomly select 1 woman with a height less than 66.2 inches or are ...
Fifty-seven percent of employees make judgements about their co-workers based on the cleanliness of their desk. You randomly select 8 employees and ask them if they judge co-workers based on this criterion. The random va ...
Based on land, minerals and natural resources, labor and entrepreneurial innovation, which country do you feel has the greatest long-term potential China or Russia.
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