In a Recent Survey in a Statistics Class,it Was Determined

question 24

Short Answer

In a recent survey in a Statistics class,it was determined that only 60% of the students attend class on Fridays.From past data it was noted that 98% of those who went to class on Fridays pass the course,while only 20% of those who did not go to class on Fridays passed the course.
a. What percentage of students is expected to pass the course?
b. Given that a person passes the course, what is the probability that he/she attended classes on Fridays?

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Definitions:

Covalent Bonds

Chemical connections where two atoms share electrons mutually, contributing to the formation and structure of molecules.

Polarity

Separation of charge into distinct positive and negative regions.

Electronegativity

Measure of the ability of an atom to pull electrons away from other atoms.

Hydrophobicity

The physical property of a molecule that is seemingly repelled from a mass of water.