Estimate the Indicated Probability by Using the Normal Distribution as an Approximation

question 106

Multiple Choice

Estimate the indicated probability by using the normal distribution as an approximation to the binomial distribution.
-A multiple choice test consists of 60 questions. Each question has 4 possible answers of which one is correct. If all answers are random guesses, estimate the probability of getting at least 20% correct.

• A)0.3508
• B)0.8508
• C)0.1492
• D)0.0901

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Definitions:

Higher-Order Conditioning

A process in behavioral psychology where a stimulus that initially has no significance comes to elicit a response after being associated with a stimulus that already elicits that response.

Stimulus Generalization

The tendency for the conditioned response to be elicited by stimuli that are similar but not identical to the conditioned stimulus.

Auditory Stimulation

The process of using sound to evoke a response in the auditory system.

Tactile Stimulation

The process of stimulating the sense of touch, often used in therapy and child development to promote sensory integration and emotional well-being.