discussion board 5

Description

iscussion Board 5 – Counting & Probability – 2-Way Table and Venn Diagram 

1.   There are 32 students in a class and the instructor is going to give 3 gift cards out, $50, $25 and $10. In how many ways can the instructor accomplish this?© Chris O’Byrne 2024

2.   The following 10 question multiple choice quiz has the following answers – 3 questions have the answer A, 4 questions have the answer B, 2 questions have the answer C, and 1 question has the answer D.  How many unique answer keys can you make for this 10-question quiz?© Chris O’Byrne 2024

3. The following information is from a sample of students from a local swimclub.  It consists of their level of experience and their preference of when to take classes.  Use this information to answer the following questions:  (Express as a decimal and round to 4 decimal places if necessary)

Morning

Afternoon

Evening

Beginner

100

20

10

130

Intermediate

75

10

20

105

Advance

50

15

25

90

Expert

25

5

45

75

250

50

100

400

A. What is the probability of selecting a Beginner or someone who prefers Morning classes?

B. What is the probability of selecting an Advance swimmer that prefers Afternoon classes?

C. What is the probability of selecting an Expert given Evening classes are preferred?

© Chris O’Byrne 2024

4. Use the information from the Venn Diagram to answer the following 2 questions: 

4A. P(A)4B.4C.

When doing and showing your work for the PDF – it should be handwritten as if you are figuring out the problem on the exam – it doesn’t need to be typed up – and I prefer that you DON’T type it out and that you hand write it.

This Discussion Board is Due Monday, July 15th by 11PM.

When you answer the question put the answers in this order and label like this:

1.    

2.

3A.

3B.

3C.

4A.

4B.

4C.

Value of Discussion Board = 8  points,  (1 point each)

Remember to attach the PDF of your work to your Answer/Response to this Discussion Board