Tasha Has Mass 25 Kg and Wants to Use a 5.0-M

question 4

Multiple Choice

Tasha has mass 25 kg and wants to use a 5.0-m board of mass 12 kg as a seesaw.Her friends are busy,so Tasha seesaws by herself by putting the support at the system's center of gravity when she sits on one end of the board.How far is she from the support point?

• A) 0.84 m
• B) 0.42 m
• C) 4.58 m
• D) 4.16 m
• E) ​1.62 m

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Definitions:

Standardized

Refers to the process of subtracting the mean and dividing by the standard deviation for each data point in a dataset, resulting in a z-score.

Variance

A measure of the spread of a set of numbers, calculated as the average squared deviation from the mean.

Median

The middle value in a data set when the values are arranged in ascending or descending order.

Uniform Distribution

A type of probability distribution in which every outcome is equally likely, leading to a flat or constant probability denoted over an interval.