Encuentre el valor de la variable aleatoria normal estndar z , llamada z 0 tal que: (a) P ( zz 0)=0.9725 z 0 = (b) PAG ( z 0 zz 0)=0.6178 z 0 = (c) PAGS ( z 0 zz 0)=0.0942 z 0 = (d) P ( zz 0)=0.3586 z 0 = (e) P ( z 0 z 0)=0.0226 z 0 = (f) P (2.3 zz 0)=0.8501 z 0 =.