Two Percent of the Parts Produced by a Machine Are

question 42

Short Answer

Two percent of the parts produced by a machine are defective. Twenty parts are selected at random. Use the binomial probability tables to answer the following questions.
a.What is the probability that exactly 3 parts will be defective?
b.What is the probability that the number of defective parts will be more than 2 but fewer than 6?
c.What is the probability that fewer than 4 parts will be defective?
d.What is the expected number of defective parts?
e.What is the variance for the number of defective parts?

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Definitions:

Interrogatories

Written questions sent by one party to another in a lawsuit, which must be answered formally and under oath.

Depositions

Testimonies given under oath by witnesses outside of court, recorded for later use in legal proceedings.

Under Oath

A legal condition where an individual affirms the truthfulness of their statements, subject to penalties for perjury.

Subpoena Duces Tecum

A Subpoena Duces Tecum is a legal order requiring a person to produce documents or records in a court of law.