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Approximate test statistic

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A researcher wants to find out if U.S. adults still support the death penalty at a proportion of 0.64 (as it was in 2003). This graph indicates the sampling distribution for the proportion of supporters in random samples of 25 adults. The standard deviation is approximately 0.10.

What is the approximate test statistic for p^ = 0.54?

Reference no: EM131098039

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