A missile detection system has a probability of 0.90 of detecting a missile attack. If 4 detection systems are installed in the same area and operate independently, then the probability that at least two systems detect an attack is:

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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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 missile detection system has a probability of 0.90 of detecting a missile attack. If 4
detection systems are installed in the same area and operate independently, then the
probability that at least two systems detect an attack is:
0.9477
0.0523
O 0.0037
0.9963
Transcribed Image Text:A missile detection system has a probability of 0.90 of detecting a missile attack. If 4 detection systems are installed in the same area and operate independently, then the probability that at least two systems detect an attack is: 0.9477 0.0523 O 0.0037 0.9963
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