A Random Variable Is Normally Distributed with a Mean of 25

question 26

Multiple Choice

A random variable is normally distributed with a mean of 25 and a standard deviation of 5. If an observation is randomly selected from the distribution, determine two values of which the smallest has 25% of the values below it and the largest has 25% of the values above it.

• A) 18.85 and 27.94
• B) 19.31 and 21.12
• C) 16.23 and 18.82
• D) 21.65 and 28.35

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Definitions:

Pulse Pressure

The difference between systolic and diastolic blood pressure readings, indicating the force that the heart generates each time it contracts.

Orthostatic Hypotension

A form of low blood pressure that happens when standing up from sitting or lying down, causing dizziness or fainting.

Hypotension

A medical condition characterized by abnormally low blood pressure, which can lead to symptoms such as dizziness, fainting, and, in severe cases, shock.

Systolic Blood Pressure

The pressure in the arteries when the heart beats and fills them with blood, the higher of the two blood pressure readings.