Methods2024 Exam 2 Section A · Q3CAS active1 mark

Conditional probability from a discrete distribution

A discrete random variable $X$ is defined using the probability distribution below, where $k$ is a positive real number.

| $x$ | $0$ | $1$ | $2$ | | | |---|---|---|---|---|---| | | | | | | |

Find $\Pr(X < 4 \mid X > 1)$ .

1 mark

\frac{13}{15}

\frac{11}{13}

\frac{4}{5}

\frac{8}{15}

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