(1 point) If Y=∑28i=1XiY=∑i=128Xi and every XiXi is i. i.d with a chi-squared distribution with 88 degrees of freedom, find the MGF of Y. M(t)=

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.