The mean percent of childhood asthma prevalence in 43 cities is 2.42%. A random sample of 33 of these cities is selected. What is the probability that the mean childhood asthma prevalence for probability. Assume that a= 1.20%. The probability is (Round to four decimal places as needed.) Interpret this probability. Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. About % of samples of 33 cities will have a mean childhood asthma prevalence greater than 2.42%. O B. About % of samples of 33 cities will have a mean childhood asthma prevalence greater than 2.8%. O C. About % of samples of 43 cities will have a mean childhood asthma prevalence greater than 2.8%.
The mean percent of childhood asthma prevalence in 43 cities is 2.42%. A random sample of 33 of these cities is selected. What is the probability that the mean childhood asthma prevalence for probability. Assume that a= 1.20%. The probability is (Round to four decimal places as needed.) Interpret this probability. Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. About % of samples of 33 cities will have a mean childhood asthma prevalence greater than 2.42%. O B. About % of samples of 33 cities will have a mean childhood asthma prevalence greater than 2.8%. O C. About % of samples of 43 cities will have a mean childhood asthma prevalence greater than 2.8%.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter12: Angle Relationships And Transformations
Section: Chapter Questions
Problem 9CP
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Question
Transcribed Image Text:The mean percent e
probability. Assume that o= 1.20%.
childhood asthma prevalence in 43 cities is 2.42%. 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 2.8%? Interpret this
The probability is
(Round to four decimal places as needed.)
Interpret this probability. Select the correct choice below and fill in the answer box to complete your choice.
(Round to two decimal places as needed.)
O A. About % of samples of 33 cities will have a mean childhood asthma prevalence greater than 2.42%.
O B. About % of samples of 33 cities will have a mean childhood asthma prevalence greater than 2.8%.
O C. About % of samples of 43 cities will have a mean childhood asthma prevalence greater than 2.8%.
Expert Solution
Step 1
Given that
Mean percent of childhood ashthma prevalence =2.42%
=0.0242
Sample size =33
Standard deviation =1.20% or 0.012
Then we have to find the probability that mean childhood ashthma prevalence for sample is greater than 2.8% or 0.028
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