Question

The Civil War. Suppose a national survey conducted among a simple random sample of 1532 American adults, 828 indicate that they think the Civil War is still relevant to American politics and political life.

NOTE: While performing the calculations, do not used rounded values. For instance, when calculating a p-value from a test statistic, do not use a rounded value of the test statistic to calculate the p-value. Preserve all the decimal places at each step.

Enter at least 4 decimal places for each answer in WeBWorK.

1. What are the correct hypotheses for conducting a hypothesis test to determine if the majority (more than 50%) of Americans think the Civil War is still relevant.

A. ?0:?=0.5H0:p=0.5, ??:?<0.5HA:p<0.5
B. ?0:?=0.5H0:p=0.5, ??:?≠0.5HA:p≠0.5
C. ?0:?=0.5H0:p=0.5, ??:?>0.5HA:p>0.5

2. Calculate the test statistic for this hypothesis test.  ? z t X^2 F  =

3. Calculate the p-value for this hypothesis test.

4. Based on the p-value, we have:
A. strong evidence
B. extremely strong evidence
C. some evidence
D. little evidence
E. very strong evidence
that the null model is not a good fit for our observed data.

Answer 1

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