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A recent survey of MBA graduates revealed that their mean salary was $80,000, with a standard deviation of $12,000. If a simple random sample of 75 MBA graduates is to be taken. What is the probability that the sample mean salary will exceed $82,500?
Determine the variance of firm's profit for the month.
What is the null and alternative hypothesis? What is your final conclusion?
For each of the following problems, assume that the homogeneity of variance assumption has not been met and that you will need to use the adjusted Welch statistic.
Draw the histogram for these data using an initial class boundary of 29.5 and a class width of 6. Note that you can add or remove classes from the figure
Find the conditional probability that a randomly chosen person from this population will contract both diseases, given that he or she has contracted at least one disease.
Provide a business example that you can apply regression to. State the null and alternative hypothesis using the appropriate phrasing for the type of regression chosen.
A company is producing cylindrical blocks for a children's toy. The average diameter of a block is 3.5 inches. Sixteen blocks are inspected and the diameters are measured.
ESPN reported in sample of 1000 homes the proportion of people who watched the Texas v. Ohio State college football game this weekend was .6.
In optimal solution, determine minimum time needed to complete project?
Do you know if there is any differences in the densities of a product at certain temperatures. Here is the data that I received. Tell me if there is any difference.
Estimating confidence interval for mean value of y and find a 95% confidence interval for the expected average total sleep time for a child of age 12
Such things as historical documents, newspaper reports, TV and radio broadcasts, when used in research, represents
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