Use the Following to Answer Questions

question 78

Multiple Choice

Use the following to answer questions :
In a class of 20 students, there are 12 girls and 8 boys. Three students are randomly selected to be teacher's assistants.
-What is the probability that the group has at least two boys? Round your answer to four decimal places.

• A) 0.3439
• B) .04421
• C) .02947
• D) 0.5895

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Definitions:

Action Potentials

Electrical impulses that neurons use to transmit signals across the neuron's membrane.

Vestibular System

A complex system in the inner ear that contributes to balance and spatial orientation.

Head Position

The orientation or angle of the head in relation to the body, which can impact balance, perception, and even social interactions.

Absolute Pitch

The rare ability of a person to identify or re-create a given musical note without the benefit of a reference tone.