\BeginKnitrBlock{exercise}\iffalse{-91-69-120-112-108-111-114-105-110-103-32-116-104-101-32-78-111-114-109-97-108-32-100-105-115-116-114-105-98-117-116-105-111-110-93-}\fi{}<div class="exercise"><span class="exercise" id="exr:unnamed-chunk-42"><strong>(\#exr:unnamed-chunk-42)  \iffalse (Exploring the Normal distribution) \fi{} </strong></span>Now, consider that the model that the height of Martians at site II can be described by the Normal distribution with a $\mu$ = 210$ cm and $\sigma = 1$ cm. 95 % of Martians at site II fall into what interval?</div>\EndKnitrBlock{exercise}