El señor jacinto decide repartir parte de sus riquezas a sus tres nietos juan pedro y carlos Son 10 hectáreas de tierra, de las cuales 4|10 de ellas son de juan, y el resto debe repartirse entre pedro y carlos en partes iguales ¿Que cantidad de tierra le toca a cada uno? Explica el procedimiento empleado para hallar la solucion Significado de | : fracción (El significado no va en la pregunta solo es para que no se me confundan)

Assume that females have pulse rates that are normally distributed with a mean of mu equals 72.0 beats per minute and a standard deviation of sigma equals 12.5 beats per minute. complete parts (a) through (c) below. a. if 1 adult female is randomly selected, find the probability that her pulse rate is between 65 beats per minute and 79 beats per minute. the probability is? b. if 16 adult females are randomly selected, find the probability that they have pulse rates with a mean between 65 beats per minute and 79 beats per minute. the probability is? c. why can the normal distribution be used in part (b), even though the sample size does not exceed 30?