19. Which of the following are the possible values of a random variable “Y: Scores of a student in a 5-item test”? Y = {0, 1, 2, 3, 4, 5}Y = {1, 2, 3, 4, 5…}Y = {a, b, c, d, e}Y = {1, 2, 3, 4, 5}...

19. Which of the following are the possible values of a random variable “Y: Scores of a student in a 5-item test”? Y = {0, 1, 2, 3, 4, 5} Y = {1, 2, 3, 4, 5…} Y = {a, b, c, d, e} Y = {1, 2, 3, 4, 5} 20. It refers to the sampling technique in which each member of the population is given equal chance to be chosen as part of the sample. Standard Deviation Probability Random Sampling Normal Distribution