A national park is famous for its beautiful desert landscape and its many natural rock formations. The following table is based on information gathered by a park ranger of all rock formations of at least 3 feet. The height of the rock formation is rounded to the nearest foot. Height of rock formation, feet 3–9 10–29 30–49 50–74 75 and higher Number of rock formations in park 110 95 31 22 18 For a rock formation chosen at random from this park, use the preceding information to estimate the probability that the height of the rock formation is as follows. (Round your answers to two decimal places.) (a) 3 to 9 feet(b) 30 feet or taller(c) 3 to 49 feet(d) 10 to 74 feet(e) 75 feet or taller
A national park is famous for its beautiful desert landscape and its many natural rock formations. The following table is based on information gathered by a park ranger of all rock formations of at least 3 feet. The height of the rock formation is rounded to the nearest foot. Height of rock formation, feet 3–9 10–29 30–49 50–74 75 and higher Number of rock formations in park 110 95 31 22 18 For a rock formation chosen at random from this park, use the preceding information to estimate the probability that the height of the rock formation is as follows. (Round your answers to two decimal places.) (a) 3 to 9 feet(b) 30 feet or taller(c) 3 to 49 feet(d) 10 to 74 feet(e) 75 feet or taller
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 6E
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A national park is famous for its beautiful desert landscape and its many natural rock formations. The following table is based on information gathered by a park ranger of all rock formations of at least 3 feet. The height of the rock formation is rounded to the nearest foot.
Height of rock formation, feet | 3–9 | 10–29 | 30–49 | 50–74 | 75 and higher |
Number of rock formations in park | 110 | 95 | 31 | 22 | 18 |
For a rock formation chosen at random from this park, use the preceding information to estimate the probability that the height of the rock formation is as follows. (Round your answers to two decimal places.)
(a) 3 to 9 feet
(b) 30 feet or taller
(c) 3 to 49 feet
(d) 10 to 74 feet
(e) 75 feet or taller
(b) 30 feet or taller
(c) 3 to 49 feet
(d) 10 to 74 feet
(e) 75 feet or taller
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