A Marathon Race Is 26 Mi and 385 Yd Long

question 86

Multiple Choice

A marathon race is 26 mi and 385 yd long.Estimate how many strides would be required to run a marathon.Assume a reasonable value for the average number of feet/stride.

• A)4.5 × 10⁴ strides
• B)4.5 × 10³ strides
• C)4.5 × 10⁵ strides
• D)4.5 × 10⁶ strides

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Definitions:

Normal Random Variable

A variable that follows a normal distribution, characterized by its mean and standard deviation, representing outcomes with a probabilistic nature.

Standard Deviation

An assessment of the extent to which values in a set are dispersed or varied from the mean, highlighting the differences from the average.

Z-score

A statistical measure that describes the position of a data point in terms of standard deviations from the mean.

Standard Normal Curve

A bell-shaped curve that represents the distribution of data in which the mean is 0 and the standard deviation is 1, used in statistics to represent theoretical distributions.