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Probability is the “machinery” that allows us to draw conclusions about the population based on the data collected in the sample.

Learn by Doing: Independent Events

Published: Jan 27th, 2013

    This document is linked from Conditional Probability and Independence.

Learn By Doing – Periodontal Status and Gender

Published: Jan 23rd, 2013

Here again is the table regarding the periodontal status of individuals and their gender. Periodontal status refers to gum disease where individuals are classified as either healthy, have gingivitis, or […]

Learn By Doing – Finding P(A and B) #1

Published: Jan 22nd, 2013

    Hint This document is linked from Basic Probability Rules.

Did I Get This – Probability Rule Four

Did I Get This – Probability Rule Four

Published: Jan 21st, 2013

At the end of 2003, money.cnn.com published a list of North America’s favorite car colors of 2003, citing DuPont Automotive as their source. Here is the list of the colors […]

Learn By Doing – Probability Rule Four

Published: Jan 8th, 2013

Recall the blood type example: Here is some additional information A person with type A can donate blood to a person with type A or AB. A person with type B can donate blood to a person […]

Did I Get This – Probability Rule Three

Published: Jan 8th, 2013

On the “Information for the Patient” label of a certain antidepressant it is claimed that based on some clinical trials, when taking this medication there is a 14% chance of […]

Did I Get This – Probability Rule Two

Did I Get This – Probability Rule Two

Published: Jan 7th, 2013

Marital status can be categorized into: never married, married, widowed or divorced. According to Infoplease.com, the following are the probabilities of those marital status categories for adults in the United […]

Learn By Doing: Tossing a Fair Coin Three Times

Published: Jan 7th, 2013

This document is linked from Basic Probability Rules.

Interactive Applet – Law of Large Numbers

Published: Jan 7th, 2013

This interactive applet is part of the online content for Introduction to the Practice of Statistics, 8th Edition (Moore and McCabe). It allows you to set the true probability and see the Law of Large […]

Learn By Doing – Relative Frequency

Published: Jan 7th, 2013

Background Recall from the introduction to probability section the birthday problem, which was presented as an example of when probability is counterintuitive. In particular, recall that we asked: “What is […]