In a survey of 1402 workers 18 years old and older regarding their opinion on retirement benefits, the following data were obtained: 821 said that it was better to have excellent retirement benefits with a lower-than-expected salary, 478 said that it was better to have a higher-than-expected salary with poor retirement benefits, 49 said "neither," and 54 said "not sure." If a worker in the survey is selected at random, what is the probability that he or she answered that it was better to have each of the following? (Round your answers to three decimal places.) (a) excellent retirement benefits with a lower-than-expected salary (b) a higher-than-expected salary with poor retirement benefits