A health magazine is interested in knowing the population proportion of people who eat fast food regularly in a certain country. A study showed that 387 out of 900 people eat fast food regularly. We want to construct a 90% confidence interval for the population proportion of people who east fast food regularly. Find the margin of error. Select one: a. 0.0234 b. 0.0271 c. 0.0142 d. 0.0165

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A health magazine is interested in knowing the population proportion of people who eat
fast food regularly in a certain Country. A study showed that 387 out of 900 people eat
fast food regularly. We want to construct a 90% confidence interval for the population
proportion of people who east fast food regularly. Find the margin of error.
Select one:
a. 0.0234
b. 0.0271
c. 0.0142
d. 0.0165
Transcribed Image Text:A health magazine is interested in knowing the population proportion of people who eat fast food regularly in a certain Country. A study showed that 387 out of 900 people eat fast food regularly. We want to construct a 90% confidence interval for the population proportion of people who east fast food regularly. Find the margin of error. Select one: a. 0.0234 b. 0.0271 c. 0.0142 d. 0.0165
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