Question

Emilio spins a spinner that is divided into 8 equal sectors numbered 1 through 8. in his first three spins, the spinner lands on 8. what is the experimental probability that emilio will spin a 10 on his fourth spin?

Answer 1

Your probability is zero for two reasons.
  1) The experimental probability of landing on 8 is 100%
  2) There is no 10.