Solve the Problem $\frac { 12 } { 29 }$ B $\frac { 9 } { 29 }$

question 117

Multiple Choice

Solve the problem.
-A course in early civilization has 9 freshmen, 8 sophomores, and 12 juniors. If one student is selected at random, find the probability of the following events.
a. A junior is selected.
b. A freshman is selected.
c. A senior is selected.

• A) a. \(\frac { 12 } { 29 }\)
• b. \(\frac { 9 } { 29 }\)
• c. \(\frac { 8 } { 29 }\)
• B) a. \(\frac { 9 } { 29 }\)
• b. \(\frac { 12 } { 29 }\)
• c. 0
• C) a. \(\frac { 12 } { 29 }\)
• b. \(\frac { 9 } { 29 }\)
• c. 0
• D) a. \(\frac { 9 } { 29 }\)
• b. \(\frac { 8 } { 29 }\)
• c. \(\frac { 12 } { 29 }\)

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Definitions:

Cross Tabulations

Cross tabulations are statistical tools used to analyze and compare the frequency of occurrences or relationships between two or more categorical variables.

Experimental Data

Information gathered through controlled tests and experiments to investigate hypotheses or understand cause-and-effect relationships.

Observational Data

Information collected through direct observation of behaviors, processes, or events, as opposed to data gathered through experiments or surveys.

Patronage

The support, encouragement, privilege, or financial aid that an organization or individual bestows to others.