2. A newspaper reported that 25% of people say that some coffeeshops are overpriced. The source of this information was atelephone survey of 100 adults. a. Find and interpret the 90%confidence interval.
2. A newspaper reported that 25% of people say that some coffeeshops are overpriced. The source of this information was atelephone survey of 100 adults. a. Find and interpret the 90%confidence interval.