A survey of 1020 adults of aged 18-49 years found that 34% of them have no credit cards, 22% have one credit card, 29% have two or three credit cards, 11% have four or five credit cards, and 4% have more than five credit cards. What is the probability that a randomly chosen respondent in the survey has the following? (a) No credit card (b) Between one and three credit cards (c) Four or more credit cards