申論題

3. You plan to conduct a marketing experiment in which students are to taste one of two different brands of soft drink. Their task is to correctly identify the brand tasted. You select a random sample of 200 students and assume that the students have no ability to distinguish between the two brands. (Hint: If an individual has no ability to distinguish between the two soft drinks, then the two brands are equally likely to be selected.)

d. Which is more likely to occur--more than 60% correct identifications in the sample of 200 or more than 55% correct identifications in a sample of 1,000? Explain. 12x,