Suppose That 73% of the Visitors to a Certain Barbershop

question 27

Multiple Choice

Suppose that 73% of the visitors to a certain barbershop have a beard. Let the random variable x denote the number of coming visitors that have a beard until the visitor without beard comes. What is the probability that at most three visitors with beard must come? What is the probability that more than five visitors with beard must come?

• A) ;
• B) ;
• C) ;
• D) ;
• E) ;

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Definitions:

Message Recipient

The individual or group to whom a message is directed or intended.

Physical Appearance

The outward look or visual attributes of a person, including features, clothing, and overall body form, often influencing social perceptions and interactions.

Credibility

The quality of being trusted and believed in.

Consistency

Consistency refers to the quality of achieving a level of performance or behavior that does not vary greatly in quality over time.