The Quality of Computer Disks Is Measured by Sending the Disks

question 49

Short Answer

The quality of computer disks is measured by sending the disks through a certifier which counts the number of missing pulses. A certain brand of computer disks averages 0.1 missing pulse per disk. Let the random variable x denote the number of missing pulses.
What is the distribution of x?
Type of distribution:
______________
Mean of distribution:
______________
Find the probability the next inspected disk will have no missing pulse.
______________
Find the probability the next disk inspected will have more than one missing pulse.
______________
Find the probability neither of the next two disks inspected will contain any missing pulse.
______________

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Definitions:

Insider Trading

Conducting illicit trades on the stock exchange for individual advantage by using confidential data.

Tipping

The practice of giving extra money to service workers, over the basic price of the service, as a gesture of appreciation for their work.

Criminal Extortion

involves obtaining something, especially money, through force or threats, and is considered a criminal act.

Sarbanes-Oxley Act

A U.S. law enacted in 2002 that aims to protect investors by making corporate disclosures more reliable and accurate.