Posted by **Lynn** on Wednesday, May 12, 2010 at 9:15pm.

A USU Today survey found that of the gun owners surveyed 55% favor stricter gun laws. The survey

Involved 500 gun owners. Test the claim that a majority (more than 50%) of gun owners favor stricter gun laws. Use a .05 significance level.

- statistics -
**MathGuru**, Thursday, May 13, 2010 at 1:54pm
Using a formula for a binomial proportion one-sample z-test with your data included, we have:

z = .55 - .50 / √[(.50)(.50)/500]

Finish the calculation.

Use a z-table to find the critical or cutoff value at 0.05 for a one-tailed test.

If the z-test statistic calculated above exceeds the critical value from the z-table, reject the null. If the z-test statistic does not exceed the critical value from the z-table, do not reject the null.

I hope this will help get you started.

- statistics -
**renee**, Thursday, May 1, 2014 at 2:10pm
.34

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