The Figure Shows the Results of a Recent Survey in Which

question 386

Multiple Choice

The figure shows the results of a recent survey in which 1011 adults were asked to grade U.S.public schools.An adult is selected at random.What is the probability that the adult will give the U.S.public schools an A
( $a = 3 \%$ , $b = 11 \%$ , $c = 19 \%$ )

• A) \(\frac { 100 } { 3 }\)
• B) \(\frac { 3 } { 100 }\)
• C) \(\frac { 1 } { 3 }\)
• D) \(\frac { 3 } { 50 }\)
• E)100

---

Definitions:

Concealed Observation

A research method where the observer remains hidden from view or unknown to the subjects, to ensure behavior is not altered.

Ethical Viewpoint

An ethical viewpoint refers to a perspective or stance on what is right and wrong, guiding moral conduct and decisions.

Nonconcealed Observation

A research method where participants are aware that they are being observed.

Participant Observation

A technique of observing a situation wherein the observer takes an active role in the situation.