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The prevalence of tuberculosis in cows is known to be 6%. In a randomly chosen sample of 100 cows from a herd of 5000, seven were found to have tuberculosis.
Test at the 5% level if the proportion of cows with tuberculosis in the herd from which this sample is drawn is 6%.
Examine relationship between GNP per capita and the percentage of respondents willing to pay more taxes. Create a table using the data below for the GNP per capita and the percentage willing to pay higher taxes.
Determine and report the within-group slope which relates Y to Xc (for this, you will have to look at your regression printout).
Enter variables using the stepwise procedure.
Discussion should include a critical reflection on the way in which you completed the market challenge element of the module.
For a sample of 36 students in a class the mean score in Mathematics is 72 with a standard deviation of 7. Find the 95% confidence interval for the mean score.
For a lottery to be successful, the public must have con dence in its fairness. One of the lotteries in Maryland is Pick-3 Lottery. Write down the test statistic to be used for testing the hypothesis.
Construct a 90 percent confidence interval for the proportion of all kernels that would not pop.
Compute the indicated confidence interval for the differenciate in proportions. Suppose that the samples are independent and that they have been randomly selected.
Suppose it has been determined that the average number of customers waiting for service is 1.929. There are two servers. Determine:
Suppose a friend of a friend claimed to have ESP and agreed to sit just on time and guess at 100 cards. Suppose she made 36 matches. Calculate the probability of this many, or more, matches if only chance is at work, and carefully write a conclusion.
the director of a government agency has been given a list of 12 firms cited for unfair labor practices. because of
Use the data set for math education and conduct an ANOVA to see if there are any statistically significant differences with respect to problem solving total for students who have different categories of the concept of learning by themes (colcateg)..
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