Answer:
5
Step-by-step explanation:
Expected value = probability × number of trials
X = 1/4 × 20
X = 5
the ansmer : (-17/2 , 1)
Step-by-step explanation
Answer: 7:49
Step-by-step explanation: As you can see in the table, if you divide the number of fans present at a football game by the number of students, you would always get 7. So, 7:49 is a choice because if you divide 49 by 7, you get 7. Hope this helps!!