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:

Acid Stain

A coloring technique used in microscopy to identify and differentiate among various types of cells and tissues, often using acidic dyes.

Rose-colored Stain

A dye or staining method used in microbiology to highlight structures in microbial and human cells.

WBC

White Blood Cells; the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.

Hereditary Blood Disease

A genetic disorder affecting the blood, passed from parents to offspring.