Muestreo estratificado: un tipo de muestreo de probabilidad Muestreo estratificado + ejemplo explicado paso a paso Tcnicas de Muestreo: MUESTREO Muestreo estratificado. Billy Denim has a functional front button & zipper with a wide leg finished with black functional buttons. Wear open or closed. 98% cotton 2% Lycra. Machine washable. Does not Wrinkle or Fade. Comfortable, Stylish, Very Flattering. Wear with Sneakers, Sandals, Booties, Heels. Wear it Casual or Dressy for Evening. Try them and you will see why these pants have been the #1 selling item in boutiques all around the U. S. Inseam: 31", Rise: 10"