Omar ordered his sister a birthday card from a company that randomly selects a card from their inventory. The company has 212121
total cards in inventory. 141414 of those cards are birthday cards.
What is \text{P(not a birthday card})P(not a birthday card)start text, P, left parenthesis, n, o, t, space, a, space, b, i, r, t, h, d, a, y, space, c, a, r, d, end text, right parenthesis?
If necessary, round your answer to 222 decimal places.
5 + 4/5t
