Could answer me for def

d. (2 marks) Given that a student has no math background, calculate the probability the student passes the course. https://www.courseheroicom/le/56849006/Econ221-MidtennlBlankpdf/ e. (2 marks) Calculate and interpret the ratio of the probabilities in parts (0) and (d) above. f. (2 marks) Calculate the probability that a randomly selected student either has some math background or passes the course. Question 2 (10 marks): The following summary measures are about examination scores of ECON221 students. mean = 60, standard deviation = 10.5, Q1 = 53, Q3 = 67. a. (2 marks) Use Chebyshev's theorem to determine the minimum percentage of students scoring between 49.5 and 70.5. b. (2 marks) Use Chebyshev's theorem to determine the minimum percentage of students scoring between 39 and 81. c. (2 marks) Use the empirical rule and the denition of the quartiles to calculate the percentage of students scoring between 49.5 and 53