A Professor Rated How Frequently Students Actively Participated in Class

question 35

Short Answer

A professor rated how frequently students actively participated in class and then calculated the probability of getting various grades broken down by participation. The data follow:

a. What is the simple probability of getting an A?
b. What is the probability of getting an A given the student participated frequently?
c. What is the simple probability of failing?
d. What is the probability of failing given the student participated rarely/never?

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Definitions:

Thymosin

A hormone produced by the thymus gland that plays a role in the maturation of T cells involved in the immune response.

Immune System

The body's defense mechanism against pathogens, including both innate and adaptive immune responses.

Enkephalins

Are pentapeptides involved in regulating nociception in the body; they function as neurotransmitters or neuromodulators.

Dynorphins

A class of opioid peptides produced in many parts of the brain, known for their role in modulating pain, emotion, stress, and addiction.