Có 3 sinh viên làm bài thi. Gọi Ai là biến cố sinh viên thứ i làm được bài, (i=1,2,3). Khẳng định nào sau đây là đúng

7friends share 4 pizzas equally how much pizza did each friend get

11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%

Yesterday, george drank 1 small bottle and 2 large bottles, for a total of 1,372 grams. the day before , he drank 1 small bottle and 1 large bottle, for the total of 858 grams. how many grams does each bottle hold?