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The faces of a die bear the numbers 1,3,...

The faces of a die bear the numbers `1,3,5,7,9,11.` The die is rolled. Find the probability of getting a perfect square number on the upper face of the dice.
`(i) S={1,3,5,7,9,11}" "(ii)thereforen(S)=6`
(iii) Let A be the event of getting a perfect square number. Then
`P(A)=(n(A))/(n(S))=- =-`

Text Solution

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(iii) Let A be the event of getting a perfect square number. Then `A={1,9}therefore n(A)=2`
(iv) `P(A)=(n(A))/(n(S))=2/6=1/3.`
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