General motors wants to administer a satisfaction survey to its current customers. using their customer database, the company randomly selects 30 customers and asks them about their level of satisfaction with the company. what type of sampling is used? cluster convenience simple random systematic stratified

Simple random

Step-by-step explanation:

Since , the company randomly selects customers and asks them about their level of satisfaction with the company.

So the chances for each customer to get selected are equal.

This technique of sampling is known as simple random sampling .

Definition:

Here , the probability for each individual to get selected is equal as , where N = Population size.

In the rest of sampling method (convenience , systematic , stratified and cluster) , the individuals in the population do not have equal chances to get selected. .

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

step-by-step explanation: