A Statistics Professor Has Noted from Past Experience That a Student

question 52

Short Answer

A statistics professor has noted from past experience that a student who follows a program of studying two hours for each hour in class has a probability of 0.9 of getting a grade of C or better, while a student who does not follow a regular study program has a probability of 0.2 of getting a C or better. It is known that 70% of the students follow the study program. Find the probability that a student who has earned a C or better grade, followed the program.

---

Definitions:

Window Borders

The edges of a window on a computer's graphical user interface (GUI) that can often be resized by the user.

Database

An organized collection of structured information, or data, typically stored electronically in a computer system. A database is usually controlled by a database management system (DBMS).

Access

A term that can refer to the ability to obtain or retrieve information, or a Microsoft database software designed for managing and organizing data.

User Account

A personalized set of credentials and settings that grant a user access to a computer, network, or software application.