for the next 2 questions A certain bakery sells, among other things, a certain type of artisanal bread rolls. Here are some data on the sale of these rolls (which will be referred to simply as "bread" in the following): The number X of breads purchased per hour is a Poisson distribution variable with parameter = 1.2 . QUESTION I Determine the variance of the number of loaves of bread purchased per half hour. 0,6 0,8 1,0 1,1 1,2 1,4 2 4 QUESTION II Determine the probability that at least one loaf of bread will be sold in a given hour. A. 0,151 0,181 0,259 0,301 0,371 0,499 0,699 0,871