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CBSE Class 10 Answered

Non Occurance of any event is 3:4. What is the probability of Occurance of this event?
Asked by manasvi.gopani | 22 Feb, 2018, 08:55: PM
answered-by-expert Expert Answer
begin mathsize 16px style Non space occurence space of space any space event space is space 3 colon 4 space means 3 space chance space of space against space and space 7 space chance space of space occurence. Total space trials space are space 3 plus 4 equals 7 Probability space of space non space occurence equals fraction numerator 3 over denominator 3 plus 4 end fraction equals 3 over 7 Hence comma space probability space of space occurence equals 1 minus 3 over 7 equals 4 over 7 Or space you space can space directly space write space it space as space fraction numerator 4 over denominator 4 plus 3 end fraction equals 4 over 7 end style
Answered by Sneha shidid | 23 Feb, 2018, 10:07: AM

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