Benito tiene 9 bolsas de cacahuates y 6 bolsas de pepitas. Si se selecciona una bolsa al azar, ¿Cuál es la probabilidad de que esta sea de cacahuates?

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.