Mr. Gregory gives up to 5 points on every homework assignment. Here is the density graph of the grade distribution for last night's assignment. 0.40 0.30 0.20 0.10- 0.00 Homework Grade Distribution 0 1 2 3 5 4 Page 3/4 Next▸ 8. P(x≥3) = ? Answer choices: 0.45 9. P(x≥ 4) = ? Answer choices: 0.55 0.65 0.75 0.2 0.4 0.6 0.8