An article reported that in a large study carried out in the state of New York, approximately 60% of the study subjects lived within 1 mile of a hazardous waste site. Let p denote the proportion of all New York residents who live within 1 mile of such a site, and suppose that = 0.6. (a) Would > based on a random sample of only 10 residents have approximately a normal distribution? Explain why or why not. O Yes, because np < 10 and n(1-p) < 10. OYes, because np > 10 and n(1-P) > 10. O No, because np < 10. O No, because np > 10. (b) What are the mean value and standard deviation of p based on a random sample of size 390? (Round your standard deviation to four decimal places.) mean standard deviation (c) When n = 390, what is P(0.55 ≤ ≤ 0.65)?
An article reported that in a large study carried out in the state of New York, approximately 60% of the study subjects lived within 1 mile of a hazardous waste site. Let p denote the proportion of all New York residents who live within 1 mile of such a site, and suppose that = 0.6. (a) Would > based on a random sample of only 10 residents have approximately a normal distribution? Explain why or why not. O Yes, because np < 10 and n(1-p) < 10. OYes, because np > 10 and n(1-P) > 10. O No, because np < 10. O No, because np > 10. (b) What are the mean value and standard deviation of p based on a random sample of size 390? (Round your standard deviation to four decimal places.) mean standard deviation (c) When n = 390, what is P(0.55 ≤ ≤ 0.65)?
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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