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A dry cleaner has a single drive-thru window for customers.The arrival rate of cars follows a Poisson distribution, while the service time follows an exponential distribution.The average arrival rate is 16 per hour and the average service time is three minutes.
(a)What is the average number of cars in the line?
(b)What is the average time spent waiting to get to the service window?
(c)What percentage of time is the dry cleaner's drive-thru window idle?
(d)What is the probability there are more than 2 cars at the drive-thru window?
Creative and Challenging Work
Tasks or projects that require original thinking and problem-solving, often perceived as engaging and stimulating by those who perform them.
Self-Actualization
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Safety Needs
The second level in Maslow's hierarchy of needs, encompassing the need for security, protection, and stability in one's physical and social environment.
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The probability that an individual will retain their job without the risk of becoming unemployed.
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