Question

Some news organizations maintain a database of customers who have volunteered to share

their opinions on a variety of issues. Suppose that one of these databases includes $9000$

registered voters in California. To measure the amount of support for a controversial

ballot issue, $1000$registered voters in California are randomly selected from the database

and asked their opinion. Which of the following is the largest population to which the

results of this survey should be generalized?

a. The $1000$people in the sample

b. The $9000$registered voters from California in the database

c. All registered voters in California

d. All California residents

e. All registered voters in the United States

Short answer

Correct option is b. The $9000$registered voters from California in the database .

Step-by-step solution

Part (a) Step 1: Given Information 

We have been given that$1000$registered voters in California are randomly selected from the database that includes$9000$ registered voters in California and asked their opinion.

Part (a) Step 2: Explanation

The $1000$people in the sample is not all the available options to be sampled,this is considered as a sample and not as population,so this option is rejected.

Part (b) Step 1: Given Information

We have been given that $1000$registered voters in California are randomly selected from the database that includes$9000$ registered voters in California and asked their opinion.

Part (b) Step 2: Explanation

The $9000$registered voters from California in the database is the all available options to be sampled , this is considered as population.So this option is correct.

Part (c) Step 1 :Given Information 

We have been given that $1000$registered voters in California are randomly selected from the database that includes$9000$ registered voters in California and asked their opinion.

Part (c) Step 2: Explanation

All registered voters in California is not all the available options to be sampled,so this option is rejected.

Part (d) Step 1: Given Information  

We have been given that $1000$registered voters in California are randomly selected from the database that includes$9000$ registered voters in California and asked their opinion.

Part (d) Step 2: Explanation

All California residents is not all the available option to be sampled,so this option is rejected.

Part (e) Step 1: Given Information 

We have been given that $1000$registered voters in California are randomly selected from the database that includes$9000$ registered voters in California and asked their opinion.

Part (e) Step 2: Explanation

All registered voters in the United States is not all the options available to be sampled,so this option is rejected.