Rocky Mountain National Park is a popular park for outdoor recreation activities in Colorado. According to U.S. National Park Service statistics, 46.7% of visitors to Rocky Mountain National Park in 2018 entered through the Beaver Meadows park entrance, 24.3% of visitors entered through the Fall River park entrance, 6.3% of visitors entered through the Grand Lake park entrance, and 22.7% of visitors had no recorded point of entry to the park.† Consider a random sample of 175 Rocky Mountain National Park visitors. Use the normal approximation of the binomial distribution to answer the following questions. (Round your answers to four decimal places.) (a)What is the probability that at least 65 visitors had a recorded entry through the Beaver Meadows park entrance? (b)What is the probability that at least 60 but less than 70 visitors had a recorded entry through the Beaver Meadows park entrance? (c)What is the probability that fewer than 11 visitors had a recorded entry through the Grand Lake park entrance? (d)What is the probability that more than 50 visitors have no recorded point of entry?
Rocky Mountain National Park is a popular park for outdoor recreation activities in Colorado. According to U.S. National Park Service statistics, 46.7% of visitors to Rocky Mountain National Park in 2018 entered through the Beaver Meadows park entrance, 24.3% of visitors entered through the Fall River park entrance, 6.3% of visitors entered through the Grand Lake park entrance, and 22.7% of visitors had no recorded point of entry to the park.† Consider a random sample of 175 Rocky Mountain National Park visitors. Use the normal approximation of the binomial distribution to answer the following questions. (Round your answers to four decimal places.) (a)What is the probability that at least 65 visitors had a recorded entry through the Beaver Meadows park entrance? (b)What is the probability that at least 60 but less than 70 visitors had a recorded entry through the Beaver Meadows park entrance? (c)What is the probability that fewer than 11 visitors had a recorded entry through the Grand Lake park entrance? (d)What is the probability that more than 50 visitors have no recorded point of entry?
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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Rocky Mountain National Park is a popular park for outdoor recreation activities in Colorado. According to U.S. National Park Service statistics, 46.7% of visitors to Rocky Mountain National Park in 2018 entered through the Beaver Meadows park entrance, 24.3% of visitors entered through the Fall River park entrance, 6.3% of visitors entered through the Grand Lake park entrance, and 22.7% of visitors had no recorded point of entry to the park.† Consider a random sample of 175 Rocky Mountain National Park visitors. Use the normal approximation of the binomial distribution to answer the following questions. (Round your answers to four decimal places.)
(a)What is the probability that at least 65 visitors had a recorded entry through the Beaver Meadows park entrance?
(b)What is the probability that at least 60 but less than 70 visitors had a recorded entry through the Beaver Meadows park entrance?
(c)What is the probability that fewer than 11 visitors had a recorded entry through the Grand Lake park entrance?
(d)What is the probability that more than 50 visitors have no recorded point of entry?
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