Hi everyone! Read through the material below, watch the videos, work on the Word lecture and follow up with your instructor if you have questions.

 

Learning Outcomes.

  • Assign probabilities to events using counting methods.

Topic. This lesson covers: Experiments Having Equally Likely Outcomes

 

  • Introductory Statistics by Sheldon Ross, 3rd edition: Sections 4.4

WeBWorK.  Continue working on Set 3.1

Word Lecture #7

 

Learning Outcomes

  • Assign probabilities to events using counting methods.

    • Common Resources

    Word Lecture #7

    Videos
    Counting Principles, Permutations and Combinations
    Experiments with Equally Likely Outcomes
    The Applied View

    Watch the video Probability Models.

    1. What is a probability model?
    2. Describe the sample space for the sum of two dice.
    3. What is the probability of rolling two dice and getting a sum of seven?
    4. If you know the probability that event A occurs, how do you calculate the probability that event A does not occur?
    5. What probability can you find using the Addition Rule?
    6. What probability can you find using the Multiplication Rule?
    Exit Ticket

    How many 5-person committees are possible from a group of 11 people if:

    a) There are no restrictions.

    b) Both Jim and Mary must be in the committee.

    c) Either Jim or Mary (but not both) must be on the committee.