2007-03-14T22:29:21Z https://www.matematicasies.com/probabilidad-329#comment123 2007-03-14T22:29:21Z

<p>Intervienen los siguientes sucesos:</p> <p><span class="spip-puce ltr"><b>–</b></span> <img src='https://www.matematicasies.com/local/cache-TeX/69691c7bdcc3ce6d5d8a1361f22d04ac.png' style="vertical-align:middle;" width="25" height="40" alt="M" title="M"> = "aprobar Matemáticas" <br><span class="spip-puce ltr"><b>–</b></span> <img src='https://www.matematicasies.com/local/cache-TeX/d20caec3b48a1eef164cb4ca81ba2587.png' style="vertical-align:middle;" width="20" height="40" alt="L" title="L"> = "aprobar Lengua" <br><span class="spip-puce ltr"><b>–</b></span> <img src='https://www.matematicasies.com/local/cache-TeX/563887294fd4b975b14365d68d8943b7.png' style="vertical-align:middle;" width="67" height="48" alt="M \bigcup L" title="M \bigcup L"> = "aprobar alguna de las dos" <br><span class="spip-puce ltr"><b>–</b></span> <img src='https://www.matematicasies.com/local/cache-TeX/1f1f95a7f8b1cbde2514059b693fcfa4.png' style="vertical-align:middle;" width="67" height="48" alt="M \bigcap L" title="M \bigcap L"> = "aprobar las dos"</p> <p>con las siguientes probalbilidades:</p> <p><span class="spip-puce ltr"><b>–</b></span> <img src='https://www.matematicasies.com/local/cache-TeX/f887a7f615c46d6726fa387523cfc52d.png' style="vertical-align:middle;" width="117" height="42" alt="P(M) = 0.45" title="P(M) = 0.45"> <br><span class="spip-puce ltr"><b>–</b></span> <img src='https://www.matematicasies.com/local/cache-TeX/d233de2255151581b8433bcd7737cf7f.png' style="vertical-align:middle;" width="108" height="42" alt="P(L) = 0.40" title="P(L) = 0.40"> <br><span class="spip-puce ltr"><b>–</b></span> <img src='https://www.matematicasies.com/local/cache-TeX/2912bf6296f6f9e87450b80e365ebcba.png' style="vertical-align:middle;" width="153" height="48" alt="P(M \bigcup L) = 0.70" title="P(M \bigcup L) = 0.70"></p> <p>Nos piden <img src='https://www.matematicasies.com/local/cache-TeX/07e553afa66ee56fe69eccc3cea46377.png' style="vertical-align:middle;" width="93" height="48" alt="P(M \bigcap L)" title="P(M \bigcap L)"></p> <p><img src='https://www.matematicasies.com/local/cache-TeX/b59e093597f8a1153185cba233171990.png' style="vertical-align:middle;" width="373" height="48" alt="P(M \bigcap L) = P(M) + P(L) - P(M \bigcup L) =" title="P(M \bigcap L) = P(M) + P(L) - P(M \bigcup L) ="> <br> <img src='https://www.matematicasies.com/local/cache-TeX/9d4511a9cb84487bb9f64c776edfa955.png' style="vertical-align:middle;" width="228" height="50" alt="0.45 + 0.40 - 0.70 = \fbox{0.15}" title="0.45 + 0.40 - 0.70 = \fbox{0.15}"><br class="autobr"> </p>