Question
In: Statistics and Probability
A Florida coastal community experiences a population increase during the winter months, with seasonal residents arriving...
A Florida coastal community experiences a population increase during the winter months, with seasonal residents arriving from the Northern States and Canada. Staffing at a local post office is often in a state of change due to the relatively low volume of customers in the summer months and the relatively high volume in winter months. The service rate of a postal clerk is 0.75 customers per minute. The post office counter has a maximum of three workstations. The target maximum time a customer waits in the system is 5 minutes. For a particular Monday morning, the anticipated arrival rate is 1.3 customers per minute. Assume two out of three workstations are open.
A new population growth study suggests that over the next two years, the arrival rate at the postal office in the winter months can be expected to grow to 2.1 customers per minute. How many stations should be open to ensure that the maximum time a customer waits in the system is still 5 minutes or less?
Solutions
orchestra answered 2 years agoRelated Solutions
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improve mood. A researcher tests this therapy by exposing a sample
of SAD patients to different intensities of light (low, medium,
high) in a light box, either in the morning or at night (these are
the times thought to be most effective for light therapy). All
participants rated their...
Seasonal affective disorder (SAD) is a type of depression during seasons with less daylight (e.g., winter...
Seasonal affective disorder (SAD) is a type of depression during
seasons with less daylight (e.g., winter months). One therapy for
SAD is phototherapy, which is increased exposure to light used to
improve mood. A researcher tests this therapy by exposing a sample
of patients with SAD to different intensities of light (low,
medium, high) in a light box, either in the morning or at night
(these are the times thought to be most effective for light
therapy). All participants rated...
Seasonal affective disorder (SAD) is a type of depression during seasons with less daylight (e.g., winter...
Seasonal affective disorder (SAD) is a type of depression during
seasons with less daylight (e.g., winter months). One therapy for
SAD is phototherapy, which is increased exposure to light used to
improve mood. A researcher tests this therapy by exposing a sample
of SAD patients to different intensities of light (low, medium,
high) in a light box, either in the morning or at night (these are
the times thought to be most effective for light therapy). All
participants rated their...
Seasonal affective disorder (SAD) is a type of depression during seasons with less daylight (e.g., winter...
Seasonal affective disorder (SAD) is a type of depression during
seasons with less daylight (e.g., winter months). One therapy for
SAD is phototherapy, which is increased exposure to light used to
improve mood. A researcher tests this therapy by exposing a sample
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medium, high) in a light box, either in the morning or at night
(these are the times thought to be most effective for light
therapy). All participants rated...
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Seasonal affective disorder (SAD) is a type of depression during
seasons with less daylight (e.g., winter months). One therapy for
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medium, high) in a light box, either in the morning or at night
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of SAD patients to different intensities of light (low, medium,
high) in a light box, either in the morning or at night (these are
the times thought to be most effective for light therapy). All
participants rated their...
Seasonal affective disorder (SAD) is a type of depression during seasons with less daylight (e.g., winter...
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seasons with less daylight (e.g., winter months). One therapy for
SAD is phototherapy, which is increased exposure to light used to
improve mood. A researcher tests this therapy by exposing a sample
of patients with SAD to different intensities of light (low,
medium, high) in a light box, either in the morning or at night
(these are the times thought to be most effective for light
therapy). All participants rated...
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