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Three prisoners are informed by their jailer that one of them has been chosen at random to be executed, and the other two are to be freed. Prisoner A asks the jailer to tell him privately which of his fellow prisoners will be set free, claiming that there would be no harm in divulging this information because he already knows that at least one of the two will go free.
The jailer refuses to answer this question, pointing out that if A knew which of his fellow prisoners were to be set free, then his own probability of being executed would rise from 1/3 to 1/2 because he would then be one of two prisoners. What do you think of the jailer's reasoning?
1.determine whether each of the following is an experiment or an observational study. also identify the explanatory and
Perform a test that will compare all four means at once. We are not interested in pair-wise comparisons at this stage - Test whether the four means are equal at the 5% level of significance.
At the 5 percent level of significance, does this sample prove a violation of the guideline that the average patient should pay no more than $250 out-of-pocket? State your hypotheses and decision rule.
She decided to investigate and gather the following sample information. Would it be reasonable for her to conclude that union nurses earn more? Use the .02 significance level. What is the p value?
What factors are most important in determining a research design? The response should be relevant to particular area of interest.
Following data on x=weight (in pounds): x 1 33.5, x2 27.3, x3 36.7, x4 30.5 Suppose that one more piece is selected; denote its weight by x5. Find a value of x5 such that X = smaple median.
calculate a 90 prediction interval for a randomely selcted single indivdual from the popultation. with a sample mean of
Determine the area under the normal curve with mu = 8 and sigma = 3. If Mary gets 90 on a physics test where mean is 85 and standard deviation is 4.59, where does she stand in relation to her classmates?
Pollsters try to determine whether or not a person is a "likely voter" before they count their opinion in a poll. If we assume 40% of the registered voters will actually vote, in a random sample of 100 registered voters we can be 95% confident tha..
a candy maker produces mints that have label weight of 20 grams on each box. assume that the weight of a box of mints
What are some of the significant problems that transgender suspects face in the criminal justice system and how have the courts responded to this issue? Research current case law on how courts have categorized and placed transgendered inmates in co..
the weight of an ice-cream shops sundae special is known to be normally distributed with a mean of 0.5 pounds and a
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