Wednesday
July 30, 2014

Homework Help: Statistics

Posted by Katelyn on Sunday, November 3, 2013 at 6:37pm.

Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adults by IBR Polls found that 65.9% of adult women favored stricter gun laws. Test the claim that significantly more than 63% of adult women favor stricter gun laws. Use a 5% significance level.

How many standard deviations is the sample proportion above/below the population proportion? Choose the best answer from below.

A) 1.45
B) 0.75
C) 2.12
D) 1.92

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