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:

Autarky

An economic system or policy of self-sufficiency where a country attempts to produce everything it needs without engaging in international trade.

Self-Sufficiency

The ability of an individual, community, or nation to provide for all of its needs without external assistance.

Economic Interaction

Economic interaction involves the exchange of goods, services, and resources among individuals, businesses, and governments within and across economies.

Comparative Advantage

The ability of an individual, firm, or country to produce a good or service at a lower opportunity cost than other competitors.