Customers are serviced at a rate of four customers per hour according to an exponential distribution. What is the probability that customer service will require fewer than 30 minutes?
A) less than or equal to 0.50
B) greater than 0.50 but less than or equal to 0.60
C) greater than 0.60 but less than or equal to 0.70
D) greater than 0.70
D
Business
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Which of the following best describes an entrepreneur?
A) a person who forms and operates a business B) a person who invests in an existing business C) a person who lends capital to a new business D) a person who derives a profit from a new or an existing business
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Explain the concept of preventive maintenance used by Japanese manufacturers
What will be an ideal response?
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