13,532 views
1 vote
1 vote
Hector rolls an 8-sided number cube with the number 1-8 on the faces. in 20 rolls the number 8 came up twice, what is the experiment probably that Hector rolls an 8

User Kalob Taulien
by
2.5k points

2 Answers

18 votes
18 votes
There is a 10% chance. I did 2 divided by 20 to get this answer
User Maarten Van Stam
by
2.7k points
27 votes
27 votes

Answer:the number of dice, s - the number of an individual die faces, p - the probability of rolling any value from a die, and P - the overall probability for the problem.

Explanation:

User Lysbeth
by
2.8k points