A supermarket manager believes that among the customers buying orange juice, 30% of the customers prefer Brand A, 20% prefer Brand B, and 50% prefer Brand C. Records from sales in a typical week showed the number of orange juice bottles sold is given in the following table.
At the level of significance 0.05, do these data support the Manager's belief?© BrainMass Inc. brainmass.com March 4, 2021, 7:59 pm ad1c9bdddf
Step by step method for testing the hypothesis under 5 step approach is discussed here. Excel template for each problem is also included. This template can be used to obtain the answers of similar problems.