A car hire firm has two cars, which it hires out day by day. The number of demands for a car on each day is distributed as a Poisson distribution with mean 1.5. Calculate the proportion of days on which neither car is used and the proportion of days on which some demand is refused. (e^ - 1.5 = 0.2231.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.2: The Least Square Line
Problem 1E
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A car hire firm has two cars, which it hires out day by day. The number of demands for a car on each
day is distributed as a Poisson distribution with mean 1.5. Calculate the proportion of days on which
neither car is used and the proportion of days on which some demand is refused. (e ^- 1.5 = 0.2231.
Transcribed Image Text:A car hire firm has two cars, which it hires out day by day. The number of demands for a car on each day is distributed as a Poisson distribution with mean 1.5. Calculate the proportion of days on which neither car is used and the proportion of days on which some demand is refused. (e ^- 1.5 = 0.2231.
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