A single ambulance is generally available 70% of the time. If three ambulances are stationed in a service area, what is the reliability of ambulance service? In other words, what is the probability that an ambulance is available when you call?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A single ambulance is generally available 70% of the time. If three ambulances are
stationed in a service area, what is the reliability of ambulance service? In other
words, what is the probability that an ambulance is available when you call?
Transcribed Image Text:A single ambulance is generally available 70% of the time. If three ambulances are stationed in a service area, what is the reliability of ambulance service? In other words, what is the probability that an ambulance is available when you call?
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