# Probability and National Park Service

A study by the National Park Service revealed that 50% of vacationers going to the Rocky Mountain region visit Yellowstone Park, 40% visit the Tetons, and 35% visit both.

A. What is the probability a vacationer will visit at least one of these attractions?

B. What is the probability .35 called?

C. Are the events mutually exclusive? Explain.

https://brainmass.com/statistics/probability/probability-and-national-park-service-48427

#### Solution Preview

Let A represent the event "visit Yellowstone Park" and B represent ...

#### Solution Summary

This solution explains and calculates the simple probability questions. All formulas used are shown.

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