A Researcher Selects a Sample of 25 Participants from a Population

question 23

Multiple Choice

A researcher selects a sample of 25 participants from a population with a mean of 10 and a standard deviation of 5.What is the probability of selecting a sample mean equal to at least 12?

• A)less than 1%
• B)greater than 50%
• C)about the same as selecting a sample mean that is at least equal to the population mean
• D)equal to the probability of selecting a sample mean that is smaller than 8

---

Definitions:

Lentils

Edible legumes known for their lens shape, highly nutritious with a rich content of protein, fiber, and minerals like iron and folate.

Soybeans

A type of legume native to East Asia, widely grown for its edible bean which has numerous uses.

Nasogastric Tube

A flexible tube passed through the nose into the stomach, used for feeding or removing stomach contents.

Auscultate

The act of listening to the internal sounds of the body, typically using a stethoscope, as part of a medical examination.