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A study was done to estimate the mean annual growth in a population of Conuspennaceus trees in Hawaii. For those with an initial size of 2.41-2.60 centimeters, a sample of size 12 yielded a mean annual growth of .72 centimeter and a standard deviation of .31 centimeter. Find a 90% confidence interval for the population mean of annual growth (of those trees with an initial size of 2.41-2.60 centimeters).
Describe the optimal solution to a linear programming problem. comprise the following constraints from a two -variable linear program.
Using Microsoft Excel, create a correlation analysis of Wal-Mart's annual net income over the past 10 years compared with Sears's annual net income over the past 10 years and interpret the results.
In a sample of 476 adults selected randomly from one town, it is found that 9 of them have been exposed to a particular strain of the flu. Find the Pvalue for a test of the claim that the proportion of all adults in the town that have been exposed..
What are some conditions under which business decisions are made using subjective probability concepts? Could you please cite two examples of subjective probability.
Compute the kappa statistic and its standard error regarding reproducibility of the diagnosis of dyspnea in the clinic.
Find out the expected shape of distribution of sample mean?
Construct a 90% confidence interval for the standard deviation of the number of hours this firm's employees spend on work-related activities in a typical week.
In order to estimate the proportion of families who prefer female baby-sitters to male baby-sitters with an error of at most 8 percentage points and with at least 95 percent confidence, how large a sample should be taken?
Exam is given to 20 randomly chosen students and their average length of t time needed to finish exam was 54 minutes with standard deviation of 5.99 minutes. Test instructor's claim at the 0.05 level of significance.
If standard deviation is 50 hours and α is equal to 0.01, what values for mean x will result in rejection of null hypothesis.
Discuss how a t test for a dependent variable can be of great value in applying a new approach to the treatment of aggressive behavior to a small group of students.
Eighteen first interviews are usually scheduled per day. What is the probability that the average length of time for the eighteen interviews will be 40 minutes or longer?
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