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A new firm is developing its business plan. It will require $600,000 of assets, and it projects $435,000 of sales and $350,000 of operating costs for the first year. The firm is quite sure of these numbers because of contracts with its customers and suppliers. It can borrow at a rate of 7.5%, but the bank requires it to have a TIE of at least 4.0, and if the TIE falls below this level the bank will call in the loan and the firm will go bankrupt. What is the maximum debt ratio the firm can use?
We are establishing a quality control program for a process and need to establish the mean and standard deviation for the process. The first 10 batches had samples of size 5 taken.
Let A be the event that a randomly chosen employee has a college degree and B the event that the chosen employee's income is more than $50,000.
How should she proceed? What additional data (if any) is needed? Which statistical analysis technique should be used? Can an analysis be performed? Why or why not?
Four homes are selected at random: What is the probability all four of the selected homes have a security system? (Round your answer to 4 decimal places.
Determine the least squares equation. According to this information, what are the estimated sales for 2005? Listed below is the net sales in $ million for Home Depot, Inc. and its subsidiaries from 1993 to 2002.
Given that the sample mean is x¯=93.81, and the sample standard deviation is s=4.65, determine if there are any outliers. (We will define an outlier to be any data value outside of the x¯+_2s range.)
A member of Congress wants to determine her popularity in a certain part of the state. She indicates that the proportion of voters who will vote for her must be estimated within plus or minus 2 percent of the population proportion.
Use Chebyshev's theorem to find what percent of the values will fall between 241 and 349 for a data set with a mean of 295 and standard deviation of 18.
Compute mean, standard deviation, coefficient of variation and 5 key percentiles for these data.
Write in interval notation the real numbers greater than or equal to 3 and less than 9. Translate the verbal expression into an algebraic expression: a cubed minuis b cubed.
Finding the probability of a pointer to land in a color among given three colors.
You wish to evaluate the proportion of customers who are satisfied with their supermarket at level of confidence of .92 and in .025 of true value. How large of sample is required?
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