The manager of the service department of a local car dealership has noted that the service times of a sample of 15 new automobiles has a standard deviation of 4 minutes. A 95% confidence interval estimate for the variance of service times for all its new automobiles is _____
a. 8.58 to 39.79
b. 4 to 16
c. 4 to 15
d. 1.64 to 1.96
a
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Treasury stock is a contra equity account
Indicate whether the statement is true or false
Use the information in Table 13.9. Which of these statements regarding the problem is correct?
A) Another plant must be added to the tableau because there are more warehouses than plants. B) A dummy plant must be added due to production volumes. C) A dummy warehouse must be added to solve this problem. D) The simplex method can be used to solve this problem.
Areas with air of better quality than required by the NAAQS are called:
a. areas of cleanliness b. fresh air areas c. prevention of pollution areas d. clear air areas e. none of the other choices are correct
A/An _____ is similar to a/an _____ but allows the addition of items not originally included in the order and may allow the original purchase order to be extended for a longer term
a. closed-end order….open-ended order b. national contract….national buying agreement c. open-ended order….blanket order d. open-ended order….pricing agreement e. blanket order….national buying agreement