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A sample of 1100 observations taken from a population produced a sample proportion of 0.36. Make a 90% confidence interval for p.
Round your answers to three decimal places.
The true population proportion for this population is 0.34. Does the confidence interval constructed cover this population proportion?
Show that theta~ = u(X) is an unbiased estimator of theta, where u(0) = 1 and u(x) = 0 if x =1,2, ... Compare the MSEs of theta(hat) and theta~ for estimating theta = e^(-m) w
However one of the children fails to solve the peoblems, so the researcher has an undetermined score. what is the best measure of central tendency for these data?
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What size sample would be required to estimate the proportion of unemployed college students if we want the margin of error not to exceed 5 percent?
The following data are survival times in days from a life-threatening condition: 15, 18, 18, 21, 21C, 25°, 26. Graph the estimated S(t) by the Kaplan-Meier method using a co
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Imagine you are a law clerk for a Supreme Court justice in 1944. You have been asked to provide that justice with a 300- to 400-word summary of the lower federal court deci
As a result of testing 20,00 electric bulbs manufactured by a company it was found that the lifetime of the bulbs was normally distributed with a mean of life of 2040 hours wi
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