The Amount of Time Required for an Oil and Filter

question 86

Short Answer

The amount of time required for an oil and filter change on an automobile is normally distributed with a mean of 45 minutes and a standard deviation of 10 minutes.A random sample of 16 cars is selected.What is the standard error of the mean?

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Definitions:

Superposition

A principle in geology that states in an undisturbed sequence of rocks, layers on the bottom are older than those above them.

Original Horizontality

A rule indicating that sediment layers are initially laid down in a horizontal manner due to the force of gravity.

Siccar Point

A location in Scotland famous for its unconformity, visible as an angular discordance between layers of sedimentary rock, demonstrating deep geological time and processes.

Unconformity

A surface of contact between two groups of unconformable strata, indicating a period of erosion or non-deposition in the geological record.