These cards are put into a bag: 1 2 3 4 5 6 7 8 9 10 One card is chosen at random. a) What is the probability of choosing the card with the number 4? b) What is the probability of choosing a card that has a digit 1 on it? c) What is the probability of choosing a card that does not have a digit 1 on it? Give your answers as fractions.