Find the margin of error from the given 95% confidence interval for the population proportion of...
Find the margin of error from the given 95% confidence interval for the population proportion of patients who said “Drug X was effective in delivering pain relief.” 95% CI: (0.84, 0.96)
Group of answer choices
.03
.06
.12
.90
Homework Answers
Solution :
Point estimate = 
= (Lower confidence interval + Upper confidence interval ) / 2
Point estimate =
= (0.84+ 0.96)/ 2=0.9
Margin of error = E = Upper confidence interval -
= 0.96 - 0.9=0.06
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