Use Bayes' Rule to Find the Indicated Probability

question 9

Multiple Choice

Use Bayes' rule to find the indicated probability.
-Two stores sell a certain MP3 players.Store A has 34% of the sales,5% of which are of defective items,and store B has 66% of the sales,1% of which are of defective items.The difference in defective rates is due to different levels of pre-sale checking of the product.A person receives a defective item of this product as a gift.What is the probability it came from store B?

• A)0.22
• B)0.7083
• C)0.275
• D)0.5667

---

Definitions:

White Space

The unmarked portions of a page or screen, used in design to create separation between elements, improve readability, and balance visual layouts.

Artwork

Visual art pieces such as paintings, drawings, or sculptures created as forms of expression or aesthetic value.

Online

Connected to or available through the internet or a computer network.

Proofreading Stage

The final step in the writing process where errors in spelling, grammar, and punctuation are corrected.