" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Bolas rojas = 3
Bolas blancas = 2
Bolas negras = 2
Total bolas = 7
Con devolucion.
p(Mismo color) = P(RПR) + P(BПB) + P(NПN) =3/7 * 3/7 + 2/7 * 2/7 + 2/7 *2/7
P(mismo color) = 9/49 + 4/49 + 4/49 = 17/49 = 0,3469
Sin devolucion.
P(mismo color) = 3/7 * 2/6 + 2/7 * 1/6 + 2/7 * 1/6 = 6/42 + 2/42 + 2/42 =
P(mismo color) = 10/42= 0,238