The choice of the probability distribution for a random variable can be guided by
a. an objective function.
b. likelihood factors.
c. forecasting.
d. historical data.
d
RATIONALE: The analyst can use historical data and knowledge of the random variable to specify the probability distribution.
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The process definition of leadership implies ______.
A. leadership is linear B. leadership is one-way, top-down C. leadership is leader centered D. leadership is reciprocal between leaders and followers
Which of the following statements correctly describes the relationship between philosophical ethics and ethos?
A. What people do value and should value is, for all practical purposes, the same. B. Philosophical ethics is too abstract to be useful in everyday life situations. Following the mores and customs of one's culture is a more dependable way to make moral decisions. C. Individuals who obey the conventions, mores, and rules of their cultures are already acting ethically. No further philosophical reflection is required. D. Philosophical ethics distinguishes what people do value from what they should value.
If a company's earnings per share and return on equity both increase:
A. it could mean that net income is rising or it could mean that the number of outstanding shares is falling. In either case, stockholders can expect greater future returns indefinitely. B. it means that the company is becoming more profitable and stockholders will see greater returns. C. it means that the company's tax liability will rise in the future and cause a decline in profitability. D. it could mean that net income is rising or it could mean that the number of outstanding shares is falling. The first is sustainable; the second cannot be continued indefinitely.
A waiting line meeting the assumptions of M/M/1 has an average time between arrivals of 20 minutes, and it services items in an average of 10 minutes each. What is the utilization factor?
A) 0.25 B) 0.33 C) 0.50 D) 0.67 E) 3.00