D. A popular burger chain sells a particular soda brand using a machine that discharges an average of 500 ml per cup. If the amount of drink is normally distributed with a standard deviation of 35 ml. 1. What percent of the cups will contain more than $50 ml? 2. What is the number of cups that will contain more than $50 ml for 1500 drinks? 3. What percent of the cups will contain 490 to $30 ml? 4. What is the number of cups that will contain 490 to 530 ml for 1500 drinks? E. A survey tests on Leadership skills and on self-concept were administered to student- leaders. Both tests used a 10-point Likert-scale with 10 indicating the high scores for each test. Scores for the student-leaders on the tests follow: Studenself-concept | Leadership t Code Skills A 9.5 9.2 B 9.2 C 6.3 73 D 4.1 3.4 E 5.4 6.0 F 7 % 7.8 H 6.8 710 5.6 65 7.1 a. Computer. b. Interpret the result in terms of strength and direction. c. Find the regression line that will predict the leadership skill if the self-concept score is known. d. Predict the leadership skill of a student leader whose self-concept is 1.5