Use the Following Information to Answer the Question

question 17

Multiple Choice

Use the following information to answer the question. A pescatarian is a person who eats fish and seafood but no other animal. An event planner does some research and finds that approximately 2.75% of the people in the area where a large event is to be held are pescatarian. Treat the 250 guests expected at the event as a simple random sample from the local population of about 150,000.
-On average, what proportion of the guests would be expected to be pescatarian, give or take how many? Round to the nearest whole person.

• A)There is not enough information given to calculate expected value.
• B)8 people, give or take 4 people
• C)7 people, give or take 3 people
• D)6 people, give or take 5 people

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Definitions:

Experimental Approach

A method of research in psychology and other sciences involving the manipulation of variables to observe the effect on some behavior or mental process.

Manipulating

The process of altering variables in an experimental setting to determine their effects on dependent variables.

Variables

Elements, factors, or conditions that can change and affect the outcomes of experiments and studies in various fields, especially in research and statistics.

Dependent Variable

The variable being tested and measured in an experiment, which is expected to change as a result of manipulations of the independent variable.