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Suppose that the starting salaries of female CFO have a mean of $56,000 and a standard deviation of $12,000. The starting salaries of male CFO have a mean of $50,000 and a standard deviation of $10,000.
A random sample of 50 female CFO's and a random sample of 40 male CFO's are selected.
Find the expected value of the sample mean difference.
Find the standard error of the sample mean difference.
What is the probability that the sample mean salary of male CFO will not exceed that of the female CFO's?
For monthly volume of 300 tables, find out total cost, total revenue, and profit.
The response of the GSS question in 2006 about the number of hours daily spent watching TV, the responses by the seven subjects who identified themselves as Hindus were 2,3,2,1,0,1,4,3. find a point estimate of the population mean for Hindus. The ..
A random sample of 36 drinks from a soft drink machine has an average content 7.6 ounces with an standard deviation of 0.48 ounces. Test the hypothesis ounces against the alternative hypothesis at the 0.05 level of significance.
Evaluate the mean wait time and throughput rate
Using the original data, test at the 5% significance level that the population standard deviation of studying times is greater than 4 hours.
When using past data, I have found that the proportion of items rejected by quality control personnel is about 3%. We normally make 5000 items per day. For a p chart, what are the upper and lower control limits?
The average monthly cost per household for groceries in kentucky is $625/mo with a standard deviation of $125/mo. The average age of the memebers in each of the households in Kentucky is 22.5 yr with a standard deviation of 5.175 yr. Which data se..
Formulate a linear programming model for this problem.
An independent researcher has decided to study variations in TV viewing habits among three American cities. She has managed to randomly sample households in Chicago, Atlanta, and Minneapolis and gather data on the daily "on" times for households o..
A computer diskette manufacturer is concerned that some diskettes have bad sectors that would cause a diskette to hold less information than it was intended to hold.
Compute the median number of dependents?
Estimating the individual score using normal distribution - blood pressure higher than what amount?
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