Homework Help: Math-Statistics

Posted by Ashley on Saturday, November 28, 2009 at 9:55am.

A marketing research company needs to estimate which of two soft drinks college students prefer. A random sample of n college students produced the following 98% confidence interval
for the proportion of college students who prefer drink A: (0.384, 0.424). Identify the point estimate for estimating the true proportion of college students who prefer that drink.

Math-Statistics - PsyDAG, Saturday, November 28, 2009 at 10:22am
Since the interval would be approximately the mean ą 2.33z, why wouldn't it be .404?

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