Which of the following is an event in rolling a die once?

Question

A. E₁ = {1, 4, 7}

B. E₂ = {2, 3, 5}

C. E₃ = {0, 2, 4, 6}

D. E₄ = {1, 4, 9, 16}

Answer 1

By process of elimination:

A: a 7 can not be rolled

C: a 0 can not be rolled

D: 9 and 16 can not be rolled,

leaving.....?