In US universities, 60% of students have studied a language at some point during their college...
In US universities, 60% of students have studied a language at some point during their college education, and 40% have studied history at some point. What is the maximum percentage of people who have studied neither? Please express your nearest to whole percent. (eg 65%)
Homework Answers
here let A and B are events that a person is language and history student
therefore P(A)=60% ; P(B)=40%
maximum percentage of people who have studied neither =max(P(A' n B') =minimum( A' ; B')
=minimum (100-60 ; 100-40)=minimum(40 ; 60) =40%
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