<s>[INST] Studies have shown that only 30% of dwellers in an urban slum reportedly hear the gospel. Michael, a pastor, plans to put together a tract – a short small book that contains some statement about the Christian gospel. Assuming Christians are 10% of the urban slum population, Michael plans to give each gospel tract to a person chosen at random from the slum. He wants to know the probability that the person he randomly chooses and gives the tract to will have already heard the gospel.[/INST]