Question

Substitute your answers from above to into the addition rule equation: P(E1 or E2) = P(E1) + P(E2) – P(E1 and E2).

Answer 1

P(E1 or E2) = 18/38 + 18/38 - 10/38 = 26/38

Explanation:

see image

Answer 2

P(E1 or E2) = 18/38 + 18/38 - 10/38 = 26/38

Explanation:

Trust me it's correct.