The Intensity of a Radio Signal from the Radio Station

question 8

Multiple Choice

The intensity of a radio signal from the radio station varies inversely as the square of the distance from the station. Suppose the the intensity is 8000 units at a distance of 2 miles. What will the intensity be at a distance of
3 miles? Round your answer to the nearest unit.

• A) 3539 units
• B) 3520 units
• C) 3556 units
• D) 3582 units

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Definitions:

Type II Error

A statistical error that occurs when a false null hypothesis is not rejected, indicating a false negative finding in testing.

Null Hypothesis

A statement in statistics that proposes there is no significant difference or effect, often tested against an alternative hypothesis.

Alternative Hypothesis

A statement that contradicts the null hypothesis, suggesting that there is a significant difference or effect in a population parameter.

Mean Age

The average age of individuals in a sample or population, calculated by summing all ages and dividing by the number of individuals.