From a Portion of a Probability Distribution, You Read That

question 67

Multiple Choice

From a portion of a probability distribution, you read that P(demand = 1) is 0.05, P(demand = 2) is 0.15, and P(demand = 3) is .20. The cumulative probability for demand 3 would be

• A) 0.133
• B) 0.200
• C) 0.400
• D) 0.600
• E) cannot be determined from the information given

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Definitions:

Zygomaticus Major

A facial muscle that draws the mouth upward and outward, mainly responsible for smiling.

Digastric

A muscle located under the jaw that consists of two bellies connected by an intermediate tendon and aids in the opening of the mouth.

Sternohyoid

A muscle in the anterior neck that depresses the hyoid bone and larynx during swallowing and speech.

Depressor Anguli Oris

A facial muscle that is responsible for pulling the corners of the mouth downwards and laterally, contributing to expressions of sadness or frowning.