89.8% of people in a region can speak a second language. A random sample of 20 people from the region is surveyed. Which of the following best describes the distribution of p′, the proportion of people from the sample who can speak a second language? A. The distribution of ?′p′ is not approximately normal because np ≥≥ n-5 B. The distribution of ?′p′ is normal becuase it is always normal C. The distribution of ?′p′ is not approximately normal because n < 30 D. The distribution of ?′p′ is approximately normal becuase np ≥≥ 5 E. None of the above
89.8% of people in a region can speak a second language. A random sample of 20 people from the region is surveyed. Which of the following best describes the distribution of p′, the proportion of people from the sample who can speak a second language? A. The distribution of ?′p′ is not approximately normal because np ≥≥ n-5 B. The distribution of ?′p′ is normal becuase it is always normal C. The distribution of ?′p′ is not approximately normal because n < 30 D. The distribution of ?′p′ is approximately normal becuase np ≥≥ 5 E. None of the above
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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89.8% of people in a region can speak a second language. A random sample of 20 people from the region is surveyed.
Which of the following best describes the distribution of p′, the proportion of people from the sample who can speak a second language?
A. The distribution of ?′p′ is not approximately normal because np ≥≥ n-5
B. The distribution of ?′p′ is normal becuase it is always normal
C. The distribution of ?′p′ is not approximately normal because n < 30
D. The distribution of ?′p′ is approximately normal becuase np ≥≥ 5
E. None of the above
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