Use Counting Rules to Determine the Probability

question 75

Multiple Choice

Use counting rules to determine the probability.
-A student takes a true-false test consisting of 12 questions. Assuming that the student guesses at each question, find the probability that the student answers exactly 10 questions correctly.

• A)0.0129
• B)0.0161
• C)0.0097
• D)0.0064

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Definitions:

Chemoreceptors

Sensory cells or organs that detect chemical substances and send signals to the nervous system in response.

Temporal Lobe

A region of the brain situated below the lateral fissure, involved in processing auditory information and memories.

Primary Olfactory Cortex

The brain region involved in the perception of odors, located within the temporal lobe.

Taste Receptors

Specialized sensory cells located on the tongue that detect taste modalities such as sweet, salty, bitter, and sour.