If 11 People Are Qualified for the Next Flight to a Space

question 167

Multiple Choice

If 11 people are qualified for the next flight to a space station, how many different groups of 3 people can be chosen for the flight? ​

• A)1,287
• B)792
• C)715
• D)165
• E)495

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Definitions:

Contractions

The process of muscles tightening or shortening, which results in movement or force being applied.

Sustained Muscle Contraction

A continuous muscle contraction without relaxation, often due to persistent stimulation.

Tetanus

A bacterial infection characterized by muscle spasms, caused by the bacterium Clostridium tetani.

Threshold Stimulus

The minimum stimulus needed to cause a depolarization of the membrane and generate an action potential in excitable cells.