Some symbols used in R Markdown documents in SRW

\(\mu\) population mean

\(\sigma\) population standard deviation

\(\sigma^2\) population variance

\(\bar{X}\) sample mean, the estimator

\(\bar{x}\) sample mean, the estimate

\(X \stackrel{\rm d}{=} \rm{Bi}(20, \, 0.2)\) notation for binomial distribution

\(X \stackrel{\rm d}{=} \rm{N}(\mu, \sigma^2)\) notation for Normal distribution

\(\Pr(X \geq 4)\) example of probability notation

H\(_0\) null hypothesis

H\(_1\) alternative hypothesis

\(P\)-value