e 14-25. 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 variate with mean 1:5. Calculate the proportion of days on which (i) Neither çar is used (ii) Some demand is refused.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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e 14-25. 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 variate with mean 1-5. Calculate the proportion of days on
which
(i) Neither car is used
(ii) Some demand is refused.
Transcribed Image Text:e 14-25. 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 variate with mean 1-5. Calculate the proportion of days on which (i) Neither car is used (ii) Some demand is refused.
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