MA 114 Online: Part 5

Videos for Section 5.1 WebAssignments

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Sample space and events (17:30)

Videos for Section 5.2 WebAssignments
What is probability? (29:09)

Video for Section 5.3 WebAssignments
Uniform probability distributions (43:19)

Permutations example (2:54)

Combinations example (2:27)

Videos for Section 5.4 WebAssignments
Conditional probability (41:58)

A neat illustration of the usefulness of conditional probability (5:48)

Videos for Section 5.5 WebAssignments
Combining conditional probabilities and tree diagrams (21:56)

Selecting 3 coins from 6 (16:38)

Videos for Section 5.6 WebAssignments
Independence and independent trials (39:56)

Sampling (8:22)

Sampling with and without replacement (14:53)

Videos for Section 5.7 WebAssignments
Expected value (16:58)

Playing the NC Lottery's "Pick 4" game (1:14)

Exact Order (4:34)

Any Order 1 (7:51)

Any Order 2 (6:57)

Additional Resources: Khan Academy has a vast collection of probability videos (about 55). Pretty much everything in the first 42 of these videos is related to this course. So this is a gold mine of additional examples and illustrations. Skip the ones from "Introduction to Random Variables" to "Term Life Insurance and Death Probability", but do watch the last video which features LeBron James.

News Briefs

(Dec 4) Extension requests have been disabled as of today.
(Nov 21) Going into the final day for Test #3, 28 students have taken the test. The average score is 75 and the median is 79.
(Nov 19) With 2 days to go on Test #3, 10 students have taken the test with an average score of 73 and median score of 82.
(Nov 16) After Test #3 has been open for two days, 8 students have completed the test with an average score of 75 and a median score of 88.
(Nov 16) I have reset the due dates for the 6.1 and 6.2 WebAssignments so that they match the dates shown on the calendar in this website.
(Nov 14) MA 114 Test #3 begins tomorrow. Last day for test is Nov. 21.
(Nov 2) Academic Progress Reports were sent out to everyone from NCSU Registration and Records.
(Oct 20) 19 students have taken the test. The average score is 91 and the median score is 94. Monday is the final day to take the test. The Testing Centers are closed today.
(Oct 19) Remember that the Testing Centers are closed on Friday, October 20.
(Oct 18) Five students completed the test during the first two days. Average score is 96.
(Oct 16) One student took the test today. The grade was 100.
(Oct 12) Testing Centers closed on October 20. But Test #2 extended to Oct. 23. See News Page.
(Oct 12)
(Oct 9) Test #2 begins a week from today (Oct. 16).
(Sep 28) Part 4 of this course starts a brand new topic that is unrelated to what has gone before.
(Sep 13) After Test #1 has been up and running for 3 days, a total of 13 students have taken the test with an average score of 93.
(Sep 11) After two days on Test #2, as of now 6 students have completed the test and the average score is 94.6.
(Sep 9) Only one student took Test #1 on the first day it was available. His score was 100.
(Sep 6) See the News Page to learn about the sample test.
(Sep 5) The first day for Test #1 is Friday, September 8.
(Aug 17) The first homework assignments are due tomorrow night.
(Aug 15) Check out the News Page. You'll need to track this page throughout the semester.
(Aug 12) The fall semester begins on August 16. You will receive an email from the professor the morning of April 16 if you are enrolled in this class.

MA 114 Online

Pages

Part 5 - Probability