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o-hans-The-probability-that-James-speaks-the-truth-is-60-and-for-John-this-probability-is-30-What-is-the-probability-that-they-contradict-each-other-




Question Number 108448 by bobhans last updated on 17/Aug/20
  ((βoβhans)/∦)  The probability that James speaks the truth is 60 %  and for John this probability is 30 %.  What is the probability that they contradict   each other?
$$\:\:\frac{\beta{o}\beta{hans}}{\nparallel} \\ $$$${The}\:{probability}\:{that}\:{James}\:{speaks}\:{the}\:{truth}\:{is}\:\mathrm{60}\:\% \\ $$$${and}\:{for}\:{John}\:{this}\:{probability}\:{is}\:\mathrm{30}\:\%. \\ $$$${What}\:{is}\:{the}\:{probability}\:{that}\:{they}\:{contradict}\: \\ $$$${each}\:{other}?\: \\ $$

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