An Astronaut ,Floating Alone in Outer Space,throws a Baseball

question 31

Multiple Choice

An astronaut ,floating alone in outer space,throws a baseball.If the ball floats away at a speed of 20 meters per second,the astronaut will

• A)move in the opposite direction at a speed of 20 m/s.
• B)move in the opposite direction,but at a lower speed.
• C)move in the opposite direction but at a higher speed.
• D)not move as stated in any of the above choices.

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Definitions:

Standard Deviation

A metric showing the extent of deviation or scatter of data points, highlighting the distance of these points from the central value.

Probability

The likelihood or chance of a particular event happening, often expressed as a number between 0 and 1.

Sample Size

Sample size is the number of observations or elements chosen from a population for analysis, which can affect the accuracy and reliability of statistical results.

Population Size

The total number of individuals or units in the group that a researcher or analyst is interested in studying.