Sufficiency of Survey Data

Easy Data Sufficiency Determining Sufficiency

In a survey conducted in a city, residents were asked about their favorite leisure activity.

Let $x$ be the number of residents who responded that they enjoy reading.

Statement (1): $x$ is equal to 50.

Statement (2): The total number of residents surveyed is 200.

Statement (1) alone is sufficient, but statement (2) alone is not sufficient.

Statement (2) alone is sufficient, but statement (1) alone is not sufficient.

Both statements together are sufficient, but neither statement alone is sufficient.

Each statement alone is sufficient.

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% Correct89%