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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?
a biologist is studying the gestation period of domestic dogs. fifteen dogs are observed during pregnancy and are found
a newspaper article reported that a poll based on a sample of 1150 residents of a state showed that the states
At the .05 significance level, can we conclude that the guideline is still reasonable?
Between 180 and 230 (inclusive) of the drivers in the sample regularly wear a seatbelt? Hint: Use the BINOMDIST function in Excel.
Use the library, Internet, and other available resources to develop a 6–8 page research proposal that includes the following:Introduction to your topic "Police Discretion" and related issues (variables)
Is there evidence of a significant relationship between the OVERALL Wins and the independent variables? Use alpha = .05. (State the p-value and the conclusion)
according the international atomic energy agency electricity per-capita consumption in canada is 16939 kwh in 2002. a
Perform the necessary calculations to determine which of the two mutual funds is better. Which one should you choose to maximize the expected value?
Howell and Newcombe examined 6 month old infants who were low birth weight babies when they were born. Each child was rated on the Bayley Psychomotor Development Index.
According to Central Limit Theorem, how big of sample is essential to be sure sampling distribution of sample means is normally distributed.
Determine the confidence interval for population mean and the Superintendent wants to determine the average amount of hours per week the student population studies at home.
Determine the Conclusion: Assume that you obtained a p-value less than your selected value for alpha, provide a conclusion about your research hypothesis.
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