Ridge Counts on Fingerprints Are Approximately Normally Distributed, with a Mean

question 50

Multiple Choice

Ridge counts on fingerprints are approximately normally distributed, with a mean of about 140 and a standard deviation of 50. Which of the following intervals will contain 47.5% of the population?

• A)140 ± 50 ridges
• B)90 ± 100 ridges
• C)140 ± 100 ridges
• D)190 ± 50 ridges

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Definitions:

Shaping

A method of teaching new behaviors by rewarding closer and closer approximations of the desired behavior.

Gradual Approximations

A method in behaviorism where complex behaviors are broken down into simpler, achievable steps for learning purposes.

Complex Response

An intricate or multifaceted reaction to stimuli, often involving multiple cognitive and emotional processes.

Shaping

A method of teaching complex behaviors by rewarding closer approximations to the desired behavior.