A "Teeter-Totter" (Or "See-Saw" If You Prefer) Has a 200 $1 \mathrm {~m}$

question 50

Short Answer

A "teeter-totter" (or "see-saw" if you prefer) has a 200 N child sitting at one end, 3 m from the center pivot point (fulcrum).How far from the center point should a 500 N adult sit in order
To balance the teeter-totter? a. $1 \mathrm {~m}$
b. $1.2 \mathrm {~m}$
c. $3 \mathrm {~m}$
d. $5 \mathrm {~m}$

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how much the values differ from the mean of the set.

Normal Distribution

A probability distribution that is symmetric around the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Continuous Random Variable

A random variable that may assume any numerical value in an interval or collection of intervals.

Standard Normal Distribution

The Standard Normal Distribution is a normal distribution with a mean of 0 and a standard deviation of 1, used in statistical analysis for z-scores.