CBSE Class 12-science Answered
Plz answer 8 b part
![question image](http://images.topperlearning.com/topper/new-ate/148854rps20200207094516.jpg)
Asked by lovemaan5500 | 07 Feb, 2020, 09:47: AM
![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](https://images.topperlearning.com/topper/tinymce/cache/770b6d2fa05641a7da85b1138fd46bd6.png)
Answered by Arun | 08 Feb, 2020, 09:12: AM
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