(Dempster's Rule) Cal and Brady are suspects in a murder. The only witness is Earl, who says that Cal did it. But Earl is notoriously unreliable; his judgments are correct only about half the time. Meanwhile, a second piece of evidence suggests that the murderer was left-handed, and thus points to Brady. An expert on DST, who has been called into the case, represents these pieces of evidence using the bpa's: ME({Cal})=0.5 me({Cal, Brady}) = 0.5 mL({Brady})= 0.25 mL({Cal, Brady}) = 0.75

C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter12: Adding Functionality To Your Classes
Section12.1: Providing Class I/o Capabilities
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(Dempster's Rule) Cal and Brady are suspects in a murder. The only witness is Earl, who says that Cal did
it. But Earl is notoriously unreliable; his judgments are correct only about half the time. Meanwhile, a second
piece of evidence suggests that the murderer was left-handed, and thus points to Brady. An expert on DST,
who has been called into the case, represents these pieces of evidence using the bpa's:
ME({Cal})=0.5
ME({Cal, Brady}) = 0.5
mL({Brady}) = 0.25
mL({Cal, Brady}) = 0.75
Use Dempster's Rule to calculate the combined impact of the two pieces of evidence and state the evidential
interval for Brady.
Transcribed Image Text:(Dempster's Rule) Cal and Brady are suspects in a murder. The only witness is Earl, who says that Cal did it. But Earl is notoriously unreliable; his judgments are correct only about half the time. Meanwhile, a second piece of evidence suggests that the murderer was left-handed, and thus points to Brady. An expert on DST, who has been called into the case, represents these pieces of evidence using the bpa's: ME({Cal})=0.5 ME({Cal, Brady}) = 0.5 mL({Brady}) = 0.25 mL({Cal, Brady}) = 0.75 Use Dempster's Rule to calculate the combined impact of the two pieces of evidence and state the evidential interval for Brady.
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