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:

Quantity Discount

A reduction in price offered to customers who purchase goods or services in large volumes.

Purchase Order

A written authorization for a supplier to deliver or manufacture a specific quantity of goods at a specified price and terms.

Save-A-Lot

A U.S.-based discount supermarket chain known for offering low prices on groceries and household items.

Reward

A benefit or compensation offered as an incentive for specific actions, performance, or behavior, often used to motivate or encourage certain outcomes.