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According to an expert for the airline industry, 12% of Americans are afraid to fly. Suppose 1100 Americans are sampled. (Give results accurate to at least 4 decimal places.) a. Of the 1100 people sampled, 157 respond that they are afraid to fly. What is the sample statistic p? p= 0.1427 b. Under the assumption that the industry expert's claim that 12% of Americans are afraid to fly is valid, what is the probability that the survey in part (a) would result in a p that is same or lower as the one found? c. Under the assumption that the industry expert's claim that 12% of Americans are afraid to fly is valid, what is the probability that the survey in part (a) would result in a p that is between 11% and 13%?

According to an expert for the airline industry, 12% of Americans are afraid to fly. Suppose 1100 Americans are sampled. (Give results accurate to at least 4 decimal places.) a. Of the 1100 people sampled, 157 respond that they are afraid to fly. What is the sample statistic p? p= 0.1427 b. Under the assumption that the industry expert's claim that 12% of Americans are afraid to fly is valid, what is the probability that the survey in part (a) would result in a p that is same or lower as the one found? c. Under the assumption that the industry expert's claim that 12% of Americans are afraid to fly is valid, what is the probability that the survey in part (a) would result in a p that is between 11% and 13%?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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 3E
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According to an expert for the airline industry, 12% of Americans are afraid to fly. Suppose 1100 Americans are sampled. (Give results accurate to at least 4 decimal places.) a. Of the 1100 people sampled, 157 respond that they are afraid to fly. What is the sample statistic ô ? p= 0.1427 b. Under the assumption that the industry expert's claim that 12% of Americans are afraid to fly is valid, what is the probability that the survey in part (a) would result in a p that is same or lower as the one found? c. Under the assumption that the industry expert's claim that 12% of Americans are afraid to fly is valid, what is the probability that the survey in part (a) would result in a p that is between 11% and 13%?
Transcribed Image Text:According to an expert for the airline industry, 12% of Americans are afraid to fly. Suppose 1100 Americans are sampled. (Give results accurate to at least 4 decimal places.) a. Of the 1100 people sampled, 157 respond that they are afraid to fly. What is the sample statistic ô ? p= 0.1427 b. Under the assumption that the industry expert's claim that 12% of Americans are afraid to fly is valid, what is the probability that the survey in part (a) would result in a p that is same or lower as the one found? c. Under the assumption that the industry expert's claim that 12% of Americans are afraid to fly is valid, what is the probability that the survey in part (a) would result in a p that is between 11% and 13%?
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