Apple wants to administer a satisfaction survey to its current customers. Using their customer​ database, the company randomly selects 70 customers and asks them about their level of satisfaction with the company.The customers could respond highly satisfied, satisfied, dissatisfied, or highly dissatisfied.
The sampling technique used here is simple random sampling. All of the following are reasons that this is a simple random sample EXCEPT:
a. The 70 customers chosen were randomly selected from the population of current customers in the customer database.
b. Every customer in the customer database had an equal chance of being chosen.
c. Only customers with high levels of satisfaction have an equal chance of being chosen.
d. Every different sample of 70 customers has the same chance of being chosen from the customer database.