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If A and B are independent events with P\left ( A \right )= \frac{3}{7}  and P\left ( B \right )= \frac{2}{5}, then find P\left ( {A}' \cap {B}'\right )\cdot

 

 

 

 
 
 
 
 

Answers (1)

P\left ( {A}' \cap {B}'\right )= P\left ( {A}' \right )\times P\left ( {B}' \right )= \left ( 1-\frac{3}{7} \right )\times \left ( 1-\frac{2}{5} \right )= \frac{12}{35}
Note that if A and B are independent events then. A' and B' are also independent.

Posted by

Ravindra Pindel

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