Continuation of the question, I nee
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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Transcribed Image Text:Problem 3. A study claims that 75% of children under the age of 13 in British
Columbia have been vaccinated against the chicken pox. A survey of randomly se-
lected residents of a certain city included 800 children who were under the age of 13.
a) Does the distribution of P, the sample proportion of non-vaccinated children,
have an approximate normal distribution? If so, what is its mean and standard
deviation?
b) What is the approximated probability that sample proportion p is more than
184/800?
c) What is the probability that p lies within the interval from .23 to 37?
d) Would the sample proportion value p= (0.37 contradict the reported value p of
the study? Explain briefly.
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