There are 2 different fire alarm systems in the store. System A detects fire with a probability of 0.67 and costs 2 times cheaper as system B. System B detects fire with a probability of 0.9. Which option is better: to set one system B or two system A?
There are 2 different fire alarm systems in the store. System A detects fire with a probability of 0.67 and costs 2 times cheaper as system B. System B detects fire with a probability of 0.9. Which option is better: to set one system B or two system A?
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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![There are 2 different fire alarm systems in the store. System A detects fire with a
probability of 0.67 and costs 2 times cheaper as system B. System B detects fire with a
probability of 0.9. Which option is better: to set one system B or two system A?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9577a76d-2f03-477a-b926-b60a656c3e3f%2Fe3dacff1-ac30-4e0b-9643-da1b9c4d44bc%2Fig3tl1ni_processed.jpeg&w=3840&q=75)
Transcribed Image Text:There are 2 different fire alarm systems in the store. System A detects fire with a
probability of 0.67 and costs 2 times cheaper as system B. System B detects fire with a
probability of 0.9. Which option is better: to set one system B or two system A?
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