The mean percent of childhood asthma prevalence in 43 cities is 2.24%. 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= 1.33%. The probability is (Round to four decimal places as needed.)
The mean percent of childhood asthma prevalence in 43 cities is 2.24%. 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= 1.33%. The probability is (Round to four decimal places as needed.)
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Transcribed Image Text:The mean percent of childhood asthma prevalence in 43 cities is 2.24%. A random sample of
probability. Assume that o = 1.33%.
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
The probability is
(Round to four decimal places as needed.)
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Solution-:
Given:
We find,
P(the mean childhood asthma prevalence for the sample is greater than 2.7%)=?
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