Question: an instructor always assigns final grades such that 20% are A 40% are B, 30% are C and 10% or D. The grade scores are

an instructor always assigns final grades such that 20% are A 40% are B, 30% are C and 10% or D. The grade scores are 4, for A, 3 for B, 2 for C, and 1 for D

a. Specify the probability distributions for the final grade point score of a randomly selected student of this instructor.

b. find the mean value ( expected value ) of this probability distributions and interpret the result

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

An instructor always assigns final grades such that 20% are A, 40% are B, 30% are C, and 10% are D. The grade point scores are 4 for A, 3 for B, 2 for C, and 1 for D. a. Specify the probability...

2. A professor always assigns final grades such that 20% are A, 40% are B, 30% are C, 5% are D, and 5% are F. The grade point scores are 4 for A; 3 for B; 2 for C; 1 for D; and 0 for F. A. Create the...

Step 1: Examine our Course Syllabus. Step 2: Examine the example Graphical Syllabus (found in the Resources section of Module 1) Compare the two versions of the syllabus, and write a 1-page...

Help me solve problems 2 . 1 , 2 . 2 , and 2 . 3 in Python. Please make the code look beginner - friendly. Thank you so much! The Problem Professor Charles Xavier is at it again. He would like you to...

Question 1: (10 Points) Find the mean, median and mode of the following: Question 2: (20 Points) Set up a frequency distribution table and calculate the relative frequency for the following quiz...

MA 325, Part II HomeworkOptimization February 10, 2017 1. WolfPop Records is releasing a new single. They have a small pool of tracks to choose from, and first they have to figure out which ones...

MM255 Business Math and Statistical Measures Unit 7: Instructor Graded Assignment - Version 4 Business Statistics Unit 7 focuses on descriptive business statistics, which is covered in your reading...

MM255 Business Math and Statistical Measures Unit 7: Instructor Graded Assignment Business Statistics Unit 7 focuses on descriptive business statistics, which is covered in your reading of Chapter 7:...

PSYC 421 ITEM DEVELOPMENT AND ANALYSIS WORKSHEET Student Name: Section: PSYC421- PART 1: Writing Multiple Choice Test Items (Cohen et al., 2013, pg. 252) Develop one multiple choice question that...

You consider buying a share of stock at a price of $25. The stock is expected to pay a dividend of $1.50 next year, and your advisory service tells you that you can expect to sell the stock in 1 year...

1.) Draw structural formulas for organic products A and B in the window below. Cul HC=CHBr Li pentane A You do not have to consider stereochemistry. Draw only products having the organic portion of...

(a) Compute an activity rate for each activity using activity-based costing.(b) Allocate overhead costs to a job that uses 20 machine hours and 15 direct labor hours. Mia Company uses activity-based...

Using 3 examples specific related to reality in our life, explain why communication is a critical requirement for management.\

11. Give two examples of each of the following heuristic assessment mechanisms. a) We use the information that is currently accessible. b) We assume an initial anchor point (value). c) We compare to...

4. Give an example of how the consistency principle can be used to influence others.

6. Give an example of how the liking principle can be used to influence others.