Use a Tree Diagram to Find the Indicated Probability

question 1

Multiple Choice

Use a tree diagram to find the indicated probability.
-In the town of Cheraw,a certain type of laptop computer is sold at just two stores.Store A has 38% of the sales, 4% of which are of defective items,and store B has 62% of the sales,2% of which are of defective items.A
Person receives one of these laptop computers as a gift.What is the probability it is defective?

• A)0.014
• B)0.028
• C)0.42
• D)0.03

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Definitions:

Sodium Ethoxide

A strongly basic compound formed from the reaction of ethanol and sodium, used as a nucleophile in organic synthesis.

Dilute Acid

An acid solution that has a low concentration of acid in a large amount of solvent, typically water.

Malonic Ester

A compound characterized by having two ester groups attached to the same carbon, which is notable for its use in malonic ester synthesis, allowing the construction of carboxylic acids.

Major Organic Product

The primary product of a chemical reaction involving organic compounds, typically the one produced in the greatest yield.