Find the Indicated Probability by Using the General Addition Rule $\frac { 10 } { 9 }$

question 87

Multiple Choice

Find the indicated probability by using the general addition rule.
-A spinner has regions numbered 1 through 21 . What is the probability that the spinner will stop on an even number or a multiple of 3 ?

• A)\(\frac { 10 } { 9 }\)
• B) 17
• C) \(\frac { 1 } { 3 }\)
• D) \(\frac { 2 } { 3 }\)

---

Definitions:

Superstition

A belief or practice resulting from ignorance, fear of the unknown, trust in magic or chance, or a false conception of causation.

Social Norms

Shared, unspoken rules that govern behavior in society or among members of a particular group, influencing actions and attitudes.

Thomas Szasz

A psychiatrist known for his criticisms of psychiatry and the concept of mental illness.

Medical Model

A framework for explaining illness and disability in purely biological terms and focusing on diagnosis, treatment, and cure.