Exhibit 11-5
the Table Below Gives Beverage Preferences for Random

question 77

Multiple Choice

Exhibit 11-5
The table below gives beverage preferences for random samples of teens and adults.
$\begin{array}{lrrr}&\text { Teens}&\text { Adults }&\text {Total }\\\text { Coffee } & 50 & 200 & 250 \\\text { Tea } & 100 & 150 & 250 \\\text { Soft Drink } & 200 & 200 & 400 \\\text { Other } & 50 & 50 & 100\\400&400&600&1,000\end{array}$ We are asked to test for independence between age i.e., adult and teen) and drink preferences.
-Refer to Exhibit 11-5. The expected number of adults who prefer coffee is

• A) 0.25
• B) 0.33
• C) 150
• D) 200

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Definitions:

Pronator Teres

A muscle of the forearm that helps in pronating the forearm, turning the hand so the palm faces downwards.

Elevates

To lift or move something or someone to a higher place, position, or level.

Scapula

A flat, triangular bone located in the upper back, also known as the shoulder blade, that connects the humerus with the clavicle.

Levator Scapulae

A muscle located in the back and side of the neck that elevates the scapula (shoulder blade).