At Kennedy Middle School, the probability that a student takes Technology and Spanish is 0.087. The probability that a student takes Technology is 0.68. What is the probability that a student takes Spanish given that the student is taking Technology?−−−−−−−−−−−−−−−−−−−−−−−−−−Solution: giventhe probability that a student takes Technology and Spanish is 0.087. P(Technology and Spanish)=0.087The probability that a student takes Technology is 0.68.P(Technology)=0.68then probability that a student takes Spanish given that the student is taking Technologywe use conditonal probabilityP(Spanish∣Technology) = P(Technology)P(Technology and Spanish) = 0.680.087= 0.13=13%
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