We are given that $X \sim (9,0.5)$ and also that $Y = (-1)^x$.
I need to find the PMF, mean and variance of Y - which is trivial if I know the distribution of Y...
2026-03-29 12:41:15.1774788075
$X$ is Binomially distributed with $n = 9$ and $p = 0.5$. $Y = (-1)^x$
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