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Math-Statistics

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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 -

    Since the interval would be approximately the mean ± 2.33z, why wouldn't it be .404?

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