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In testing a certain kind or truck tire over rugged terrain, it is found that 20% of the trucks fail to complete the test run without a blowout. (a) Of the next 14 trucks tested, how many of them would you expect to have blowouts? (b) What is the variance of the number of blowouts experienced by the 14 trucks? What does that mean? (a) trucks are expected to have blowouts. (Type an integer or a decimal. Do not round.) (b) Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or decimals. Do not round.) O A. The variance is which means that the expected value of the squared deviation from the mean is O B. The variance is which means that the difference between the lowest possible number of blowouts and the highest possible number is

In testing a certain kind or truck tire over rugged terrain, it is found that 20% of the trucks fail to complete the test run without a blowout. (a) Of the next 14 trucks tested, how many of them would you expect to have blowouts? (b) What is the variance of the number of blowouts experienced by the 14 trucks? What does that mean? (a) trucks are expected to have blowouts. (Type an integer or a decimal. Do not round.) (b) Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or decimals. Do not round.) O A. The variance is which means that the expected value of the squared deviation from the mean is O B. The variance is which means that the difference between the lowest possible number of blowouts and the highest possible number is

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
Section: Chapter Questions
Problem 8CR
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In testing a certain kind or truck tire over rugged terrain, it is found that 20% of the trucks fail to complete the test run without a blowout. (a) Of the next 14 trucks tested, how many of them would you expect to have blowouts? (b) What is the variance of the number of blowouts experienced by the 14 trucks? What does that mean? trucks are expected to have blowouts. (Type an integer or a decimal. Do not round.) (a) (b) Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or decimals. Do not round.) O A. The variance is which means that the expected value of the squared deviation from the mean is O B. The variance is which means that the difference between the lowest possible number of blowouts and the highest possible number is
Transcribed Image Text:In testing a certain kind or truck tire over rugged terrain, it is found that 20% of the trucks fail to complete the test run without a blowout. (a) Of the next 14 trucks tested, how many of them would you expect to have blowouts? (b) What is the variance of the number of blowouts experienced by the 14 trucks? What does that mean? trucks are expected to have blowouts. (Type an integer or a decimal. Do not round.) (a) (b) Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or decimals. Do not round.) O A. The variance is which means that the expected value of the squared deviation from the mean is O B. The variance is which means that the difference between the lowest possible number of blowouts and the highest possible number is
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