The East Los Angeles Interchange Is the Busiest Freeway Interchange

question 11

Short Answer

The East Los Angeles Interchange is the busiest freeway interchange in the world. Last year, an average of 550,000 cars passed through the intersection per day with a standard deviation of 100,000. What is the probability more than 620,000 use the interchange on a random day? Assume the number of cars on the interchange is approximately normally distributed.

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Definitions:

Data Values

The individual pieces of information collected in a study or used in calculations, which can be numerical or categorical.

Histogram

A graphical representation of the distribution of numerical data, with bars showing the frequency of data in successive intervals.

Observation

An observation is a record or a piece of data collected during an experiment or survey, representing one instance or example of a variable of interest.

Histogram

A graphical representation of the distribution of numerical data, where the data is grouped into bins and the frequency of data points within each bin is depicted by the height of the bar.