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The number of missing items in a certain location, call it X, is a Poisson random variable with mean λ. When searching the location, each item will independently be found after an exponentially distributed time with rate μ. A reward of R is received for each item found, and a searching cost of C per unit of search time is incurred. Suppose that you search for a ?xed time t and then stop.
(a) Find your total expected return.
(b) Find the value of t that maximizes the total expected return.
(c) The policy of searching for a ?xed time is a static policy. Would a dynamic policy, which allows the decision as to whether to stop at each time t, depend on the number already found by t be bene?cial?
What is the probability that the option will be exercised?
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What is the z-value that was used in the computation. Round your z-value to 2 decimal places and difference in the mean carbohydrate content between the Corn Chip and Potato Chip groups.
when is it appropriate to use an anova? what is the key piece of information you must know in order to
Assume a sample size of n=20. Draw a picture of the distribution of the t statistics under the null hypothesis. Use the t distribution critical values (upper-tail p) table.
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The Minneapolis Tribune ran an article on gender differences in shopping behavior. When 400 women were asked to respond to the question "Where I shop is influenced by which store has a greater variety," 60% answered "Yes.
1. What is the current status of the housing stock in the county?
among eighteen computers in some store six have defects. five randomly selected computers are bought for the university
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