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The average power of a generic drug used for the common cold should be 5.0 + 0.1 mg / cc so that it can be sold in international trade compliance with government regulations related to controlled drugs. A manufacturer of this medicine claims that it produces this drug compliance with established standards. To verify this claim power four samples were taken by sampling average of four lots. The results were: 4.94, 5.09, 5.03 and 4.90 mg / cc. These results, presented sufficient evidence to indicate that the average power of this manufacturing is different from 5 mg / cc? Make a test with a = 0.05
question dr. patton is a professor of english. recently she counted the number of misspelled words in a group of
Assuming the nurses surveyed were a random sample from the population of all nurses in the United States, we can use these data to test the null hypothesis H0 that there is no association between the row and column variables in this two-way table...
assume that the probability of a male birth is 0.5 and that the binomial distribution is applicable. determine the
The statewide incidence of gonorrhea is 50 per 100,000 over a 3 month period. Is the number of gonorrhea cases in this county unusual for this time period?
How large a sample should be selected in order to estimate the population proportion to within a margin of error of 0.02 with 97% confidence. The sample proportion from the preliminary sample was 0.18.
Find the sample size necessary to estimate the mean IQ score of statistics students such that it can be said with 90% confidence that the sample mean is within 8 IQ points of the true mean.
Draw a tree diagram representing the data. What is the probability that a vehicle stolen in this city will never be recovered?
The χ 2 statistic from a contingency table with 6 rows and five columns will have:
What is the linear programming model for this problem?
Suppose the p-value for these test is 0.03. Is the difference in percentages at a 5% level? Explain. Suppose the p-value for this test is 0.03. Is the difference in percentages significant at a 1% level? Explain. What is the overall (weighted) sample..
Calculate the appropriate test statistic to test the hypotheses related to the concern and test at 5% and 1%.
If 30% of the athletes have been disqualified in previous terms, what is the probability that a randomly selected athlete will be disqualified during the next grading period?
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