An Eight-Cylinder Automobile Engine Has Two Misfiring Spark Plugs

question 111

Short Answer

An eight-cylinder automobile engine has two misfiring spark plugs. The mechanic removes all four plugs from one side of the engine.
What is the probability the two misfiring spark plugs are among those removed?
______________
What is the mean number of misfiring spark plugs?
______________
What is the variance of the number of misfiring spark plugs?
______________

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Definitions:

Conditions

The specific requirements, provisions, or stipulations that define the terms under which agreements or contracts are established and operated.

Debt Financing

The use of borrowed funds to finance a business.

Insolvency

The financial state in which an individual or company cannot meet their due debt obligations due to a lack of sufficient assets or funds.

Leverage

The use of borrowed capital or financial derivatives to increase the potential return of an investment.