Question

A recent study indicated that 17 percent of adults in the country actively seek out science news sites to keep current on topics in science. A university researcher believes that percent is too low. From a random sample of adults in the country, the researcher found that 22 percent of the sample actively seek out science news sites. Which of the following is the most appropriate method for the researcher’s study?
A) A two-sample z-test for a difference in population proportions
B) A two-sample z -test for a difference in population proportions
C) A one sample z-test for a difference in population proportions
D) A one sample z-test for a sample proportion
E) A one sample z-test for a population proportion

Answer 1

Answer:

E) A one sample z-test for a population proportion

Step-by-step explanation:

This is a significance test problem where there is only one sample. Therefore, it is a one sample z-test for a population proportion

Answer 2

Answer:

b

Step-by-step explanation: