Cho \(A\), \(B\) là hai biến cố xung khắc. Đẳng thức nào sau đây đúng ?
A.\(P\left( A\cup B \right)=P\left( A \right)+P\left( B \right).\)
B.\(P\left( A\cup B \right)=P\left( A \right).P\left( B \right).\)
C.\(P\left( A\cup B \right)=P\left( A \right)-P\left( B \right)\)
D.\(P\left( A\cap B \right)=P\left( A \right)+P\left( B \right).\)
A.\(P\left( A\cup B \right)=P\left( A \right)+P\left( B \right).\)
B.\(P\left( A\cup B \right)=P\left( A \right).P\left( B \right).\)
C.\(P\left( A\cup B \right)=P\left( A \right)-P\left( B \right)\)
D.\(P\left( A\cap B \right)=P\left( A \right)+P\left( B \right).\)
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Hóa Học lớp 12
