The time it takes a worker on an assembly line to complete a task is exponentially distributed with a mean of 8 minutes
a. What is the probability density function for the time it takes to complete the task?
b. What is the probability that it will take a worker less than 4 minutes to complete the task?
c. What is the probability that it will take a worker between 6 and 10 minutes to complete the task?
a. f(x) =(1/8 ) e-x/8 for x > 0
b. 0.3935
c. 0.1859
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Sparkle Spin, a national appliance brand, recruited 15 people as brand managers. They all took a test as part of the recruitment process. Three months after the recruitment, their test scores were analyzed along with their performance on the job to find a substantial correlation between the two factors. Which method of research is exemplified in this scenario?
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Qualities such as candor, humor, and naturalness make a spokesperson ________, which is an important component of spokesperson credibility
A) likable B) an expert C) trustworthy D) transformational E) informational
A company's quick assets are $147,000 and its current liabilities are $143,000. This company's acid-test ratio is 1.03.
Answer the following statement true (T) or false (F)
Wholesalers sell to all of the following except
A. retailers. B. manufacturers. C. businesses. D. industrial users. E. consumers.