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Question: In testing to find a cure for congenital heart disease, the condition of a patient after he or she has been treated with a drug cannot be directly quantified, but the patient's condition can be compared with those of other patients with the same illness severity who were treated with other drugs. A pharmaceutical firm conducting clinical trials therefore selects a random sample of 27 patients. The sample is then separated into blocks of three patients each, with the three patients in each block having about the same pretreatment condition. Each person in a block is then randomly assigned to be treated by one of the three drugs under consideration. After the treatment, a physician evaluates each person's condition and ranks the patient in comparison with the others in the same block (with 1 indicating the most improvement and 3 indicating the least improvement). Using the following data, do you believe that all three drugs are equally effective?
the distribution of the amount of money in savings accounts for florida residents has an average of 2200 dollars and a
Perform an appropriate hypothesis test, showing the necessary calculations and/or explaining the process used to obtain the results.
phone calls arrive at the rate of 48 per hour at the reservation desk for regional airways.a. compute the probability
Many companies use sampling to determine whether a batch should be accepted. An (n, c) sampling plan consists of inspecting n randomly chosen items from a batch and accepting the batch if c or fewer sampled items are defective.
Determine the Periodic Deposit and how much of the financial goal comes from deposits and how much comes from interest?
Consult a dictionary to find the etymological roots of the given words, and then explain how they relate to the conventional meaning of these words.
A standard deviation of 4,000 miles. The tires carry a warranty for 35,000 miles. a. What proportion of the tires will fail before warranty expires?
If the standard deviation of the differences was 0.5, find a 95% confidence interval for the difference. Assume the distribution of GPA's is approximately normal.
What is the probability that the survey will show a greater percentage of Republican voters in the second state than in the first state?
A random sample of 10 adult king crabs was collected, and 3 of them were found to be infected with the parasite. Construct the posterior probability distribution of the proportion of infected adult crabs, and plot it.
test the claim that the proportion of men who own cats is smaller than the proportion of women who own cats at the .10
What are primary and secondary data sources of market information? Which should be conducted first? Explain what is data mining?
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