The ABC company wants to purchase potato chips for the store, so nine people were asked to indicate their preference for plain over sour cream. The following data showed their preferences. Respondents Plain vs. Sour Cream 1 = + , 2 = +, 3 = -, 4 = + , 5 = +, 6 = +, 7 = -, 8 = +, 9 = -. With = 0.10, test for a significant difference in the preferences for chips. A " " indicates a preference for plain chips. Indicate the null in terms of the binomial probability of p: Ho: p = What is the sum of the binomial probability? (Round to the third (3rd) decimal place) Provide the p-value (Round to the third (3rd) decimal place) What do you conclude? . What is your management decision?