This question was previously asked in

SSC CGL Tier-II ( JSO ) 2018 Official Paper ( Held On : 14 Sept 2019 )

Option 4 : \(\frac{1}{5}\)

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10 Questions
10 Marks
7 Mins

**Given**

P(x) = {x/15 ; x = 1, 2, 3, ----5

{0 ; otherwise

**Calculation**

Probability P{1/2 < X < 5/2} that means, X = 1, 2 are only applicable

∴P(x = 1) = 1/15

∴ P(x = 2) = 2/15

⇒ P(x ) = p(x = 1) + p(x = 2)

⇒ p(x) = 1/15 + 2/15

**∴**** The probability of p(x) is 3/15 or 1/5**