Dos líquidos de densidades 0.7kg. 1 y 1.3kg. / se mezclan obteniendo un líquido de densidad 0.9kg. 11. Halle la cantidad de líquido que hay que tomar de cada clase para obtener una mezcla de 30
litros.

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)