The Number of Goals Scored at State College Soccer Games

question 23

Multiple Choice

The number of goals scored at State College soccer games follows a Poisson process with a goal scoredapproximately every 18 minutes (a soccer game consists of 2 45-minute halves) . What is the standarddeviation of the mean number of goals scored during a game?

• A) 2.34
• B) 1.58
• C) 1.12
• D) 1.27

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Definitions:

Torque Converter

A type of fluid coupling used in automatic transmissions to transfer rotating power from the engine to the transmission.

Planetary Gearset

A mechanical system that consists of one or more outer gear wheels (planet gears) revolving around a central (sun) gear.

Carrier

A part of a vehicle’s differential that houses the differential gears, supporting them and distributing torque to the wheels.

Sun Gear

A central gear which is part of a planetary gear system, interacting with planetary gears to transmit power in automatic transmissions and other mechanisms.