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The principle of redundancy is used when system reliability is improved through redundant or backup components. A region's government requires that commercial
aircraft used for flying in hazardous conditions must have two independent radios instead of one. Assume that for a typical flight, the probability of a radio failure is
0.0067. What is the probability that a particular flight will be threatened with the failure of both radios? Describe how the second independent radio increases safety
in this case.
What is the probability that a particular flight will be threatened with the failure of both radios?
(Round to six decimal places as needed.)