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एक अनभिनत पाँसा दो बार फेंका जाता है, तो पहली बार पाँसे पर 4,5 या 6 तथा दूसरी बार पाँसे पर 1,2,3 या 4 आने की प्रायिकता ज्ञात करों |

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प्रतिदर्श समष्टि `S={1,2,3,4,5,6}`
माना A= पहली बार में, 4,5 या 6 आने की घटना
B= दूसरी बार में 1,2,3 या 4 आने की घटना
`therefore P(A)=(3)/(6)=(1)/(2)" तथा "P(B)=(4)/(6)=(2)/(3)`
A तथा B स्वतन्त्र घटनाएँ है |
`therefore" प्रायिकता "=P(AcapB)`
`=P(A)cdotP(B)`
`=(1)/(2)xx(2)/(3)=(1)/(3)`

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