CARLOS EDUARDO OMANA.docx - Estudio de caso 3 Una caja contiene una canica roja una negra y una verde Se sacan al azar dos canicas sin reemplazo

CARLOS EDUARDO OMANA.docx - Estudio de caso 3 Una caja...

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Estudio de caso 3 Una caja contiene una canica roja, una negra y una verde. Se sacan al azar dos canicas sin reemplazo. Considere los siguientes eventos: A= 5 no se obtiene canica roja. B= 5 se obtiene una canica negra. C= 5 se obtienen dos canicas rojas. D= 5 se obtienen dos canicas de diferente color. Para cada caso: a. Determina el espacio muestral y su cardinalidad. s = ( rn ,rv ,nr ,nv ,vr ,vn ) n = 6 b. Determina el evento correspondiente y su cardinalidad. evento A = ( nv,vn ) n ( A ) = 2 evento B = ( rn,rv ,nr ,vr ) n ( B ) = 4 evento C = son sin reemplazo n ( C ) = 0 evento D = ( rn,rv ,nr ,nv, vr ,vn ) n = 6 c. Calcula el evento correspondiente. P ( A ) = 2 6 = 0,33 P ( B ) = 4 6 = 0,66 P ( C ) = 0 6 = 0
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P ( D ) = 6 6 = 1 Estudio de caso 8 Se va a formar un portafolio de inversión de cuatro instrumentos financiaron a partir de cinco de renta fija y seis de renta variable. ¿De cuántas maneras podría formarse el portafolio si: a. ¿No hay restricciones? 11 C 4 = 11 ! ( 11 4 ) ! 4 ! = 330 b. ¿Debe haber instrumentos de renta fija y dos de renta variable?
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  • Spring '17
  • Julio Boltvinik

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