At a Course in Public Speaking, the Instructor Always Gives

question 50

Multiple Choice

At a course in public speaking, the instructor always gives an opening speech that lasts betweenfifteen and eighteen minutes. The length of the speech can be modeled by a uniform distribution,that is, the speech is just as likely to last fifteen minutes as it is to last eighteen minutes. Theprobability density curve is shown below. What is the probability that the speech will last at leastseventeen minutes? What is the probability that the speech will last between fifteen and sixteenminutes?

• A) Can't be determined with the given information
• B) 0.50; 0.25
• C) 0.50; 0.75
• D) 0.25; 0.50

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Definitions:

Memory Impairment

A decline in the ability to remember information, which can occur due to various causes such as aging, neurological conditions, or injuries.

Compulsive Disorder

A mental disorder characterized by repetitive, unwanted thoughts (obsessions) and behaviors (compulsions) that the individual feels the urge to perform.

Clanging

A pattern of speech where words are chosen based on their sound rather than their meaning, often observed in psychiatric conditions.

Echolalia

The involuntary repetition of words or phrases spoken by others, often a symptom of autism or other neurological disorder.