For Air Travellers,one of the Biggest Complaints Is of the Waiting

question 86

Multiple Choice

For air travellers,one of the biggest complaints is of the waiting time between when the aeroplane taxis away from the terminal until the flight takes off.This waiting time is known to have a skewed-right distribution with a mean of 10 minutes and a standard deviation of 8 minutes.Suppose 100 flights have been randomly sampled.Describe the sampling distribution of the mean waiting time between when the aeroplane taxis away from the terminal until the flight takes off for these 100 flights.

• A) Distribution is approximately normal with mean = 10 minutes and standard error = 8 minutes.
• B) Distribution is skewed-right with mean = 10 minutes and standard error = 8 minutes.
• C) Distribution is approximately normal with mean = 10 minutes and standard error = 0.8 minutes.
• D) Distribution is skewed-right with mean = 10 minutes and standard error = 0.8 minutes.

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Definitions:

Normally Open

A type of switch or contact arrangement that is open (disconnected) in its default state, allowing current flow when actuated.

Common Terminal

A connection point used in electrical devices where multiple circuits can meet and connect.

Operating Parameter

A variable that affects the operation of a system and can be adjusted to control the system's behavior.

Wiring Connections

The points of contact where electrical wires are securely connected to devices, components, or other wires to establish an electrical circuit.