Amanager at a phone company wants to know if the company’s current customers would be interested in a new calling plan. which sampling method will most likely result in a biased sample? an office assistant selects every 50th name on a customer list. an office assistant divides the customers by time zone and randomly selects 100 customers in each zone. an office assistant programs a computer to randomly select 500 customers from its database. an office assistant selects the customers who call the office with questions about their current plan during one week