Hi I am an new member and I have an exam in 2 hours, I am trying to solove some training tasks, but are they right, I dont know. Can someone please help me?

1) The general set X [a,b] (a,b unknown), part ( 1, 4, 2, 6, -1, 8, 1). Evaluate these using momentum method

2) Dice is being thrown 600 times. Results:

Number
1
2
3
4
5
6
Times
120
106
93
87
83
111

Is the level of importance 0.05 ideal?



Excuse me my english. Thank you