During a research experiment, it was found that the number of bacteria in a culture grew at a rate proportional to its size. At 8:00 AM there were 6,000
Using a 1-sample z-interval for the population proportion with confidence level 0.997, the sample probability is 0.69 with margin of error of 0.16, so between 0.69+0.16=0.85 of the population and 0.69-0.16=0.53 of the population prefers coffee. 84% and 54% are the correct answers.
