In a Large University, 75% of Students Live in Dormitories

question 68

Short Answer

In a large university, 75% of students live in dormitories. A random sample of 5 students is selected. Use the binomial probability tables to answer the following questions.
a.What is the probability that the sample contains exactly three students who live in the dormitories?
b.What is the probability that the sample contains no students who lives in the dormitories?
c.What is the probability that the sample contains more than three students who do not live in the dormitories?
d.What is the expected number of students (in the sample) who do not live in the dormitories?

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Definitions:

Writing Memos

The process of composing brief written communications, often used within organizations to convey information or directives.

Disciplining Employees

The process of enforcing rules and applying penalties for violations to maintain order and performance within a workplace.

Sender

In communication, the individual or entity that initiates or transmits a message.

Receiver

In communication, the individual or group who perceives and processes a message sent by a sender.