The manager of the service department of a local car dealership has noted that the service times of a sample of 16 new automobiles has a standard deviation of 5 minutes. A 95% confidence interval estimate for the variance of service times for all their new automobiles is
A. 13.642 to 59.885.
B. 9.46 to 34.09.
C. 2.144 to 9.948.
D. 2.728 to 11.977.
Answer: A
You might also like to view...
The following information has been provided to you by the Rae Corporation for the year ending December 31, 2018:Net income was $979,000. Cash dividends totaling $120,000 were paid to the common shareholders. 6% convertible bonds with a par value of $2,000,000 were issued on February 1, 2018. The corporation's marginal income tax rate is 40%. 6% convertible preferred stock with a par value of $800,000 was outstanding during the entire year. Assuming that both the bonds and preferred stock are dilutive, what is the numerator that should be used in the calculation of basic earnings per share and diluted earnings per share?Basic EPS Diluted EPS
A. $811,000 $1,051,000 B. $979,000 $1,147,000 C. $931,000 $1,099,000 D. $931,000 $1,045,000
The type of maintenance that is conducted to adjust applications for changing business needs and environmental challenges of an application is referred to as:
a. preventive b. perfective c. adaptive d. corrective
Answer the following statements true (T) or false (F)
1.When Carly tries to show Marti that she is genuinely concerned about her well-being, she is engaging in sympathy. 2.We tend to pay extra attention to what we see or hear first (known as the recency effect). 3.We tend to pay extra attention to what we see or hear last (the recency effect). 4.Perception checking involves observing the behavior of another, describing and interpreting what his or her behavior means to you, and putting your interpretation into words in an effort to determine if your perception is correct. 5.By taking stock of yourself, including your emotional state and biases, you are able to avoid taking responsibility for what you bring to the perception process.
Which of the following approaches to new product development consists of a funnel like process where the number of concepts diminishes after each step because some will fail the test at each stage?
A) the Classic Linear Approach B) the Rugby Approach C) the Cost Differential Approach D) the Target Costing Approach