(See Solution) Suppose you are performing a blind taste test for carbonated beverages and you want to see how Dr. Pepper scores against other soft drinks.
Question: Suppose you are performing a blind taste test for carbonated beverages and you want to see how Dr. Pepper scores against other soft drinks. You ask people to try different soft drinks and then provide a score (out. of 100) for Dr. Pepper against the other types of soft drinks. How many people would you have to survey if the mean score is to be estimated within plus or minus 2 of the true population mean when the standard deviation is 15? Use a 94% level of confidence.
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