A political scientist wants to know how college students feel about the Social Security system. She obtains a list of the 3456 undergraduates at her college and mails a questionnaire to 250 students selected at random. Only 104 questionnaires are returned. 1. What is the population in this study?
2. What is the sample size?

See explanation

Step-by-step explanation:

1. The population in a research are the group of people that the research study carried out by a researcher will affect. In this case, the population will be 3456.

2. The sample study are those that took part in the research. In this case, the sample study will be 104 since they're the ones that took part and returned the questionnaires.

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a