Environmental: Land Formations Arches National Park is
Chapter , Problem 8(choose chapter or problem)
Environmental: Land Formations Arches National Park is located in southern Utah. The park is famous for its beautiful desert landscape and its many natural sandstone arches. Park Ranger Edward McCarrick started an inventory (not yet complete) of natural arches within the park that have an opening of at least 3 feet. The following table is based on information taken from the book Canyon Country Arches and Bridges, by F. A. Barnes. The height of the arch opening is rounded to the nearest foot. Height of arch, feet 39 1029 3049 5074 75 and higher Number of arches in park 111 96 30 33 18 For an arch chosen at random in Arches National Park, use the preceding information to estimate the probability that the height of the arch opening is (a) 3 to 9 feet tall (d) 10 to 74 feet tall (b) 30 feet or taller (e) 75 feet or taller (c) 3 to 49 feet tall
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