3 ques 23, 25 and 26

D 25. (1 point) Male Female Total The discrete random variable X has a probability distribution 55 (55%) 45 (45% ) 100 (100%) defined below: Answer(s) submitted: X 0 2 4 8 (incorrect) P(X=x) 1/4 1/8 1/2 1/8 23. (1 point) The expectation of X is: Grade on Statistics Exam Frequency Below 50 2 50-59 6 60 -69 8 . A. 3 70-79 14 . B. 13/4 80-89 17 . C. 2/3 15 . D. 14 90 - 100 . E. 7/2 Given the frequency table above, construct the following: Answer(s) submitted: (a) The relative frequency table that corresponds with the above table. (incorrect) Grade on Statistics Exam | Relative Frequency Below 50 26. (1 point) 50 -59 Below is a partially complete probability model. Enter the 60 - 69 probability for the final outcome. 70 - 79 80 -89 Outcome 3.5 4 5 6 90 - 100 Probability 0.05 0.35 0.15 Answer(s) submitted: Find the expected value of the probability model