A student earned grades at B, A, A, C, and D. Those courses had these corresponding numbers ofcredit hours 4' 4, 4, 3, and 2 The grading system assigns quality points to letter grades as follows: A:4; B :3; C : 2' D : 1; F : 0. Compute the gradeipoint average (GPA). lfthe dean's list requires a GPA of 3.20 or greater, did this student make the dean's list? The student's GPA is . (Type an integer or decimal rounded to two decimal places as needed.) The histogram to the right represents the weights (in pounds) of members of a certain high-school math team. What is the class width? What are the approximate lower and upper class limits of the first class? Frequency 110 120 130 140 150 160 170 180 Weight (Ibs) What is the class width? The class width is 1. (Simplify your answer.)