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Question
If n(A) = 5, P(A) = `1/2`, then n(S) = ?
Options
10
`3/5`
`4/5`
`1/3`
MCQ
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Solution
10
Explanation:
`P(A) = (n(A))/(n(S))`
∴ `1/2 = 5/(n(S))`
∴ n(S) = 10
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