1 1. Example with p (population proportion) inferred from the question: A marketing depart- ment plans a pilot study to determine if customers have a preference between two types of packaging (referred to as packaging "A" and "B") for a product. In a random sample of 30 customers, 17 preferred packaging A. a. Is this evidence that customers have a preference? Use a 0.01 level of significance. b. State the definition of the p-value in the context of the