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CBSE Class 12-science Answered

Plz answer 8 b part
Asked by lovemaan5500 | 07 Feb, 2020, 09:47: AM
Expert Answer
straight E equals space 1 space white space ball space and space 1 space red space ball space is space selected space straight A equals bag space straight A thin space is space selected straight B equals bag space straight B thin space is space selected straight C equals bag space straight C thin space is space selected straight P left parenthesis straight A right parenthesis equals straight P left parenthesis straight B right parenthesis equals straight P left parenthesis straight C right parenthesis equals 1 third straight P left parenthesis straight E divided by straight A right parenthesis equals fraction numerator straight C presuperscript 1 subscript 1 cross times straight C presuperscript 3 subscript 1 over denominator straight C presuperscript 6 subscript 2 end fraction equals 1 fifth straight P left parenthesis straight E divided by straight B right parenthesis equals fraction numerator straight C presuperscript 3 subscript 1 cross times straight C presuperscript 2 subscript 1 over denominator straight C presuperscript 8 subscript 2 end fraction equals 3 over 14 straight P left parenthesis straight E divided by straight C right parenthesis equals fraction numerator straight C presuperscript 2 subscript 1 cross times straight C presuperscript 4 subscript 1 over denominator straight C presuperscript 9 subscript 2 end fraction equals 2 over 9 now straight P left parenthesis straight E right parenthesis equals straight P left parenthesis straight E divided by straight A right parenthesis cross times straight P left parenthesis straight A right parenthesis plus straight P left parenthesis straight E divided by straight B right parenthesis cross times straight P left parenthesis straight B right parenthesis plus straight P left parenthesis straight E divided by straight C right parenthesis cross times straight P left parenthesis straight C right parenthesis equals 401 over 1890
Answered by Arun | 08 Feb, 2020, 09:12: AM

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