5 results.
-
Question in Content created by Newcastle University by
Newcastle University Mathematics and Statistics
Given a probability mass function $P(X=i)$ with outcomes $i \in \{0,1,2,\ldots 8\}$, find the expectation $E$ and $P(X \gt E)$.
-
Question in Content created by Newcastle University by
Newcastle University Mathematics and Statistics
Determine if the following describes a probability mass function.
$P(X=x) = \frac{ax+b}{c},\;\;x \in S=\{n_1,\;n_2,\;n_3,\;n_4\}\subset \mathbb{R}$.
-
Question in Bill's workspace
Given a probability mass function $P(X=i)$ with outcomes $i \in \{0,1,2,\ldots 8\}$, find the expectation $E$ and $P(X \gt E)$.
-
Question in Bill's workspace
Determine if the following describes a probability mass function.
$P(X=x) = \frac{ax+b}{c},\;\;x \in S=\{n_1,\;n_2,\;n_3,\;n_4\}\subset \mathbb{R}$.
-
Question in Bill's workspace
Two numbers from a set of $5$ numbers are chosen at random, without replacement. Find the distribution $X$ of their sum and $E[X]$.