The results from a statistics class' first exam are as follows: The...

<p><span class="eqneditor-formula" data-value="X \approx N( 85 ; 15)"><span class="katex"><span class="katex-mathml"></span><span class="katex-html"><span class="base"><span class="strut" style="height:.68333em;vertical-align:0em;"></span><span class="mord mathnormal" style="margin-right:.07847em;">s</span><span class="mspace" style="margin-right:.2777777777777778em;"></span><span class="mrel">sec</span><span class="mspace" style="margin-right:.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:1em;vertical-align:-.25em;"></span><span class="mord mathnormal" style="margin-right:.10903em;">s</span><span class="mopen">s</span><span class="mord">s</span><span class="mord">s</span><span class="mpunct">s</span><span class="mspace" style="margin-right:.16666666666666666em;"></span><span class="mord">s</span><span class="mord">s</span><span class="mclose">s</span></span></span></span></span></p><p> </p><p><span class="eqneditor-formula" data-value="P( X \leq 94)="><span class="katex"><span class="katex-mathml"></span><span class="katex-html"><span class="base"><span class="strut" style="height:1em;vertical-align:-.25em;"></span><span class="mord mathnormal" style="margin-right:.13889em;">s</span><span class="mopen">s</span><span class="mord mathnormal" style="margin-right:.07847em;">s</span><span class="mspace" style="margin-right:.2777777777777778em;"></span><span class="mrel">sec</span><span class="mspace" style="margin-right:.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:1em;vertical-align:-.25em;"></span><span class="mord">s</span><span class="mord">s</span><span class="mclose">s</span><span class="mspace" style="margin-right:.2777777777777778em;"></span><span class="mrel">s</span></span></span></span></span> <span class="eqneditor-formula" data-value="P( Z \leq \dfrac{ 94- 85}{ 15} )"><span class="katex"><span class="katex-mathml"></span><span class="katex-html"><span class="base"><span class="strut" style="height:1em;vertical-align:-.25em;"></span><span class="mord mathnormal" style="margin-right:.13889em;">s</span><span class="mopen">s</span><span class="mord mathnormal" style="margin-right:.07153em;">s</span><span class="mspace" style="margin-right:.2777777777777778em;"></span><span class="mrel">sec</span><span class="mspace" style="margin-right:.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:2.00744em;vertical-align:-.686em;"></span><span class="mord"><span class="mopen nulldelimiter"></span><span class="mfrac"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:1.32144em;"><span style="top:-2.314em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord">s</span><span class="mord">s</span></span></span><span style="top:-3.23em;"><span class="pstrut" style="height:3em;"></span><span class="frac-line" style="border-bottom-width:.04em;"></span></span><span style="top:-3.677em;"><span class="pstrut" style="height:3em;"></span><span class="mord"><span class="mord">s</span><span class="mord">s</span><span class="mspace" style="margin-right:.2222222222222222em;"></span><span class="mbin">sec</span><span class="mspace" style="margin-right:.2222222222222222em;"></span><span class="mord">s</span><span class="mord">s</span></span></span></span><span class="vlist-s">sec</span></span><span class="vlist-r"><span class="vlist" style="height:.686em;"><span></span></span></span></span></span><span class="mclose nulldelimiter"></span></span><span class="mclose">s</span></span></span></span></span></p><p>sectetur adipiscing elit. Nam lacin<span class="eqneditor-formula" data-value="P( Z \leq 0,6 )"><span class="katex"><span class="katex-mathml"></span><span class="katex-html"><span class="base"><span class="strut" style="height:1em;vertical-align:-.25em;"></span><span class="mord mathnormal" style="margin-right:.13889em;">s</span><span class="mopen">s</span><span class="mord mathnormal" style="margin-right:.07153em;">s</span><span class="mspace" style="margin-right:.2777777777777778em;"></span><span class="mrel">sec</span><span class="mspace" style="margin-right:.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:1em;vertical-align:-.25em;"></span><span class="mord">s</span><span class="mpunct">s</span><span class="mspace" style="margin-right:.16666666666666666em;"></span><span class="mord">s</span><span class="mclose">s</span></span></span></span></span></p><p>sectetur adipiscing elit. Nam lacin<span class="eqneditor-formula" data-value="F( 0,6)"><span class="katex"><span class="katex-mathml"></span><span class="katex-html"><span class="base"><span class="strut" style="height:1em;vertical-align:-.25em;"></span><span class="mord mathnormal" style="margin-right:.13889em;">s</span><span class="mopen">s</span><span class="mord">s</span><span class="mpunct">s</span><span class="mspace" style="margin-right:.16666666666666666em;"></span><span class="mord">s</span><span class="mclose">s</span></span></span></span></span></p><p>sectetur adipiscing elit. Nam lacinia pu</p><p>sectetur adipiscing elit. Nam laci<span class="eqneditor-formula" data-value="\approx 72,57"><span class="katex"><span class="katex-mathml"></span><span class="katex-html"><span class="base"><span class="strut" style="height:.48312em;vertical-align:0em;"></span><span class="mrel">sec</span><span class="mspace" style="margin-right:.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:.8388800000000001em;vertical-align:-.19444em;"></span><span class="mord">s</span><span class="mord">s</span><span class="mpunct">s</span><span class="mspace" style="margin-right:.16666666666666666em;"></span><span class="mord">s</span><span class="mord">s</span></span></span></span></span>sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesqu</p>