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Please help with the following question.
1) Bill Dukes has $100,000 invested in a 2-stock portfolio. $62,500 is invested in Stock X and the remainder is invested in Stock Y. X's beta is 1.50 and Y's beta is 0.70. What is the portfolio's beta? Do not round your intermediate calculations. Round the final answer to 2 decimal places.
An advertisement claims that two out of five doctors recommend a certain pharmaceutical product. A random sample of 20 doctors is selected.
Runners' heart rates The figure below is a Normal probability plot of the heart rates of 200 male runners after six minutes of exercise on a treadmill.
1. suppose 2 batteries are randomly chosen from a bin containing 10 batteries of which 7 are good and 3 are defective.
Conduct a hypothesis test to determine if the mean length of jail time has increased. The distribution of the population is normal.
Conduct a test for equality of means using α = 0.05 and provide a 95% confidence interval for the average savings per beer for a visitor versus the amount paid at home in London.
By usingu(x, t) = X(x)T(t) or u(x,y, t) = X(x)Y(y)T(t), separate the following PDEs into two or three ODEs for X and T or X, Y, and T. The parameters c and k are constants. You do not need to solve the equations.
given an initial distribution of px z exp-zx with z 0.2 and an uncertainty term with a standard deviation of 2.
let x1 x2 be a random sample of size 2 from a population x with exmu and vx 36. let t1 2x1 x23 and t2 3x1 - x23 be
Compute the mean and variance of the number of bottles imported. Compute the mean and variance of the number of cigarette cartons imported. Compute the covariance and the coefficient of correlation.
The probability is 1 in 4,000,000 that a single auto trip in the United States will result in a fatality. Over a lifetime, an average U.S. driver takes 50,000 trips. (a) What is the probability of a fatal accident over a lifetime? Describe your re..
1. A researcher reported that the mean or average age of participants was 22 and the standard deviation was
Calculate then explain/interpret the following 14 tasks/tests using the dependent variable (labeled Y)(Sales) and the independent variables (labeled X1 (Calls), X2 (Time), and X3(Years)). Attached is the excel Spreadsheet with the variables.
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