Easy -1.8 This is a straightforward recall and visualization question requiring only knowledge that μ±σ represents one standard deviation from the mean on a Normal distribution curve. It involves no calculation, problem-solving, or conceptual depth—just shading a standard region on a provided sketch.
\(X\) is a continuous random variable such that \(X \sim N(\mu, \sigma^2)\).
On the sketch of this Normal distribution in the Printed Answer Booklet, shade the area bounded by the curve, the \(x\)-axis and the lines \(x = \mu \pm \sigma\). [2]
$X$ is a continuous random variable such that $X \sim N(\mu, \sigma^2)$.
On the sketch of this Normal distribution in the Printed Answer Booklet, shade the area bounded by the curve, the $x$-axis and the lines $x = \mu \pm \sigma$. [2]
\hfill \mbox{\textit{OCR MEI Paper 2 2022 Q6 [2]}}