Last year, a soft drink manufacturer had 21% of the market. in order to increase their portion of the market, the manufacturer has introduced a new flavor in their soft drinks. a sample of 400 individuals participated in the taste test and 100 indicated that they like the taste. we are interested in determining if more than 21% of the population will like the new soft drink.
a. set up the null and the alternative hypotheses.
b. determine the test statistic.
c. at 95% confidence, test to determine if more than 21% of the population will like the new soft drink.