Use the Following Table to Answer Questions )

question 36

Multiple Choice

Use the following table to answer questions ) . A random sample of adults was asked to respond to a
survey about whether they use their cell phones to shop for a specific item. One question, summarized in the table
below reflecting probabilities, asked each respondent to choose whether or not they use a cell phone app to shop.
The major age groupings were under 40 or 40 years or older.
-Find the probability that an adult randomly chosen from the group uses a cell phone app to shop? (round to the nearest thousandth)

• A)60%
• B)50%
• C)40%
• D)0.50%

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Definitions:

Dolphins

Intelligent aquatic mammals known for their complex behaviors and communication skills, belonging to the family Delphinidae.

Mammals

Warm-blooded vertebrates characterized by the presence of mammary glands which produce milk for feeding their young, and typically possessing hair or fur.

Monophyletic

A group of organisms that consists of all the descendants of a common ancestor.

Paraphyletic

A term used in phylogenetics to describe a group of organisms that includes an ancestor but not all of its descendants, contrasting with a monophyletic group.