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If X1 and X2 are independent random variables having exponential densities with the parameters a and b the probability density of Y = X1+ X2 when a not eqal to b
a) f(y) = 1/a+b. (e-y/a - e-y/b ) for y > 0 and f(y) = 0 elsewhere
b) f(y) = 1/a-b. (e-y/a - e-y/b ) for y < 0 and f(y) = 1 elsewhere
c) f(y) = 1/a-b. (e-y/a - e-y/b ) for y > 0 and f(y) = 0 elsewhere
d) None of these
Describe why ordinary least squares solution is not unique. What can you say about residuals of any solution? Is ridge regression solution unique? Explain why or why not?
The Defense Logistics Agency Land Maritime (DLA L&M) is the premier logistics agency supplying spare parts to the United States warfighter.
Your specific assignment for this week is to select one type of quantitative health datum to collect from your own life. Some examples of data to collect could be: How many minutes do you spend exercising each day
Determine the population and sampling frame for each of the following: (a) The local public library wants to conduct a customer satisfaction survey.
Burnwood Tech plans to issue some $60 par preferred stock with a 6% dividend. A similar stock is selling on the market for $70. Burnwood must pay flotation costs of 5% of the issue price.
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a newspaper conducted a statewide survey concerning the 1998 race for state senator. the newspaper took a srs of n1200
Pollsters attempt to find out whether or not person is a "likely voter" before they count their opinion in poll. If we suppose 40% of registered voters will really vote.
consider the following results for independent samples taken from two populations.sample 1 n1400 p10.48sample 2 n2300
what is the final conclusion obtained when testing the claim that p gt 0.25 given that the p-value is 0.5555?p lt
question 1 the manager of a famous food outlet conducted a survey and took a sample of 13 customersrsquo spending at
Estimate with 95% confidence the mean reduction in time it takes for someone who has taken the sleeping pill to fall asleep.
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