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Generalizing the solution of Example 9.2, let the call duration T be an exponential (λ) random variable. For t0 > 0, show that the minimum mean square error estimate of T, given that T > t0, is
Example 9.2
The duration T minutes of a phonecall is an exponentialrandom variable with expected value E[T] = 3 minutes. If we observe that a call has already lasted 2 minutes, what is the minimum mean square error estimate of the call duration?
Explain these results to a person who understands the t test for a single sample but knows nothing about the t test for independent means.
a study is conducted to compare mean cholesterol levels for individuals following a low carbohydrate diet for at least
Barker and colleagues (2012) compared 61 parents fo children who had a serious mental illness (SMI) to 321 parents of children withour such an illness. The researchers examined the parents’ reported levels of stress, their levels of a hormone called ..
What is the probability that the number of granite specimen selected for analysis is within 1 standard deviation of its mean value
translate the following statements into equivilant formal expressionsa. some things are not owned by anyone.b. some
over the last five years in pa. the variance of new home construction costs has been 108000. over the same period of
What is the probability that none of the people are Independent? What is the probability that fewer than five people are Independent? What is the probability that more than two people are Independent?
Use the auxiliary variable approach to model this problem and write a short memo to the marketing manager explaining the solution and sensitivity information.
Mean output of solar cells of three types are measured six times under random light intensity over a period of 5 minutes, yielding the results shown. Research question: Is the mean solar cell output the same for all cell types?
a 15 cm3 cylinder contains nitrogen at 70 atm and 20 degrees celsius. this cylinder is placed in a 10000 cm3 evactuated
Would the conclusion remain the same if the two confidence intervals had instead been calculated at 90% confidence? Explain.
Set up the null and alternative hypotheses for Coca-Cola. In terms of Coke's decision to introduce the new bottle or not, what is a Type I error?
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