Question

You roll a six-sided die. Event A: Roll a 6. Event B: Roll a prime number. Find P(A or B). Express your answer as a fraction in simplest form. P(A or B)⬜

Answer 1

P(A) = 1/6

P(B) = 3/6 = 1/3

P(A or B) = 1/6 + 1/3

= 1/6 + 2/6

= 3/6

= 1/2