Answer:
2
Explanation:
An urn initially contains one red and one blue ball. At each stage, a ball is randomly chosen and then replaced along with another of the same color. Let X denote the selection number of the first chosen ball that is blue. For instance, if the first selection is red and the second blue, then X is equal to 2.
por lo que veo usar toalla no hay sinónimo pero toalla si y usar también
toalla: lienzo, paño
usar: utilizar, emplear, consumir, dedicar, disponer, manejar, explotar, servirse
acostumbrar, soler, frecuentar
estilarse