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A study of 240 randomly selected residents of a subtropical resort city with 82,000 residents found that 5.4% of them had been exposed to the mosquito-borne virus that causes Dengue fever. Suppose the actual percentage of people in the city who have been exposed to the virus is 3%. Let = the proportion of residents who have been exposed in a random sample of 240. If the true proportion is actually 0.03, the probability that is more than 0.054 is closest to a. 0 b. 0.0222 c. 0.0207 d. 0.0146 e. We can’t calculate this probability because we have not satisfied the Normality condition.

A study of 240 randomly selected residents of a subtropical resort city with 82,000 residents found that 5.4% of them had been exposed to the mosquito-borne virus that causes Dengue fever. Suppose the actual percentage of people in the city who have been exposed to the virus is 3%. Let = the proportion of residents who have been exposed in a random sample of 240. If the true proportion is actually 0.03, the probability that is more than 0.054 is closest to a. 0 b. 0.0222 c. 0.0207 d. 0.0146 e. We can’t calculate this probability because we have not satisfied the Normality condition.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A study of 240 randomly selected residents of a subtropical resort city with 82,000 residents found that 5.4% of
them had been exposed to the mosquito-borne virus that causes Dengue fever. Suppose the actual percentage of
people in the city who have been exposed to the virus is 3%. Let = the proportion of residents who have been
exposed in a random sample of 240. If the true proportion is actually 0.03, the probability that is more than
0.054 is closest to
a. 0
b. 0.0222
c. 0.0207
d. 0.0146
e. We can’t calculate this probability because we have not satisfied the Normality condition. 

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