The mean percent of childhood asthma prevalence in 43 cities is 2.37%. A random sample of 33 of these cities is selected. What is the probability that the mean childhood asthma prevalence for the sample is greater than 2.7% ? Interpret this probability. Assume that o=1.24%. The probability is (Round to four decimal places as needed.).
The mean percent of childhood asthma prevalence in 43 cities is 2.37%. A random sample of 33 of these cities is selected. What is the probability that the mean childhood asthma prevalence for the sample is greater than 2.7% ? Interpret this probability. Assume that o=1.24%. The probability is (Round to four decimal places as needed.).
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:The mean percent of childhood asthma prevalence in 43 cities is 2.37%. A random sample of 33 of these cities is selected. What is the probability that the mean
childhood asthma prevalence for the sample is greater than 2.7% ? Interpret this probability. Assume that o = 1.24%.
The probability is
(Round to four decimal places as needed.)

Transcribed Image Text:About 75% of all female heart transplant patients will survive for at least 3 years. Seventy female heart transplant patients are randomly selected. What is the
probability that the sample proportion surviving for at least 3 years will be less than 66% ? Assume the sampling distribution of sample proportions is a normal
pq
distribution. The mean of the sample proportion is equal to the population proportion and the standard deviation is equal to
n
(...)
The probability that the sample proportion surviving for at least 3 years will be less than 66% is
(Round to four decimal places as needed.)
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