Assume that a sample is used to estimate a population proportion
p. Find the margin of error E that corresponds to the given
statistics and confidence level.
95% confidence; n = 2388, x = 1672
Group of answer choices
a) 0.0184
b) 0.0156
c) 0.0248
d) 0.0206
proportion p = x / n = 1672/2388
standard error =
z critical value for 95% confidence is = 1.96
margin of error = z-score * standard error
margin of error =
= 1.96 * sqrt((1672/2388)*(716/2388)/2388)
= 0.0184
Ans: option A ) 0.0184 is correct
Assume that a sample is used to estimate a population proportion p. Find the margin of...
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