Homework Help: Statistics

Posted by Eric on Monday, June 6, 2011 at 11:11am.

A group of scientists created 150 trials to measure whether electric shock treatment could cure paranoid delusions. Of these trials, 52 were successful. Find the margin of error E that corresponds to a 95% confidence level. The critical value for 95% confidence level is 1.96.

Statistics - MathGuru, Monday, June 6, 2011 at 7:44pm
Margin of error = 1.96 * √(pq/n)
p = 52/150
q = 1 - p
n = 150

Convert fractions to decimals, then go from there.

I hope will help get you started.

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