Identify the types of sampling errors that exist in the following sampling designs.

I. A podcaster plans to make a prediction for the presidential election based on a survey of its listeners.

II. A bookstore owner chooses to survey the first 25 customers who enter one day to determine which genre of books are most popular.

III. Facebook asks people to take a voluntary survey on their views on whether Great Britain should have left the European Union.

Answer choices:

I, voluntary; II, nonresponse; III, convenience

I, nonresponse; II, voluntary; III, convenience

I, nonresponse; II, convenience; III, voluntary

I, voluntary; II, convenience; III, nonresponse

I, convenience; II, voluntary; III, nonresponse