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Home / Doubts and Solutions/JEE FOUNDATION/Class 10/Mathematics

Give and for 9-13ques

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Asked by venkatsaib.2000 11th January 2019, 6:08 AM
Answered by Expert
Answer:
only one question will be answered per posting. Question no. 10 is answered.
 
begin mathsize 12px style p left parenthesis A union space B right parenthesis space equals space p left parenthesis A right parenthesis space plus space p left parenthesis B right parenthesis space minus space p left parenthesis A intersection B right parenthesis space equals space p left parenthesis A right parenthesis plus p left parenthesis B right parenthesis space minus p left parenthesis A right parenthesis space p left parenthesis B right parenthesis space............... left parenthesis 1 right parenthesis l e t space p left parenthesis B right parenthesis space equals space x T h e n space e q n. left parenthesis 1 right parenthesis space colon space space 0.8 space equals space 0.3 plus x space minus space left parenthesis 0.3 right parenthesis x space space space space space o r space space space space x space equals space 5 over 7 end style
Hence p(B) = 5/7
Answered by Expert 11th January 2019, 10:50 AM
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