A claw machine game displays a sign that claims 90% of plays result in a win. A suspicious customer watches 40 consecutive plays of this game and observes that there is a winner in 30 of the games. The customer would like to know if the data provide convincing evidence that the true proportion of winners is less than 0.9. Are the conditions for inference met?

Yes, the conditions for inference are met.
No, one condition is not met.
No, two conditions are not met.
No, three conditions are not met.