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In a double blind experiment, long term pain care patients were randomly assigned to either take Embeda (Morphine sulfate and Naltrexone hydrochloride) or Kadian (Morphine sulfate) for a 6 week period, participants were given an appropriate starting dosage of the medication based on their previous therapy dosing determined by their respective physician. Of 24 people given Embeda, 14 were able to manage their pain with the starting dosage at the end of the 6 week, whereas in the Kadian group, only 4 of 24 were able to manage their pain with the starting dosage at the end of the 6 week period. Whether a patient maintains the same dose throughout the 6 week period is of particular importance to researchers, as it suggests the medication is stable/effective for pain management.
6. Organize these data/results (i.e. frequencies) into a two-way table.
Embeda Kadian Total
Participants stayed on same dosage
Participant dosage increased
Total
Estimate with 90% confidence the mean number of weeks out of town, assuming that the population is normally distributed with a standard deviation of 6 weeks.
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the heights of 18-year-old men are normally distributed with a mean of 68 inches and a standard deviation of 3 inches.
To determine the efficiency of the current ticket operation, Mike wishes to examine several queue operating characteristics.
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Research shows that the life time of Everlast automobile tires is normally distributed with a mean value of 70,000 miles and a standard deviation of 7,000 miles. What is the probability of having a tire that lasts more than 80,000 miles?
Testing for population proportion - evidence that the proportion of data processing clerks who have gone through the new training and are no longer employed is less than .25?
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