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In August 2003, 56% of employed adults in the United States reported that basic mathematical skills...

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Basic Math

In August 2003, 56% of employed adults in the United Statesreported that basic mathematical skills were critical or veryimportant to their job. The supervisor of the job placement officeat a 4-year college thinks this percentage has increased due toincreased use of technology in the workplace. He takes a randomsample of 530 employed adults and finds that 324 of them feel thatbasic mathematical skills are critical or very important to theirjob. Is there sufficient evidence to conclude that the proportionof employed adults who feel basic mathematical skills are criticalor very important to their job has increased at the ? = 0.01 levelof significance?

The sample proportion is p^ =______- . (Round to 3 decimalplaces.)
The test statistic for this test isz0=_______.  (Calculate this value in asingle step in your calculator using the rounded sample proportionreported above, and report your answer rounded to 3 decimalplaces.)

We  (reject / fail toreject) H0.
The given data  (does / doesnot) provide significant evidence that the proportion ofemployed adults who feel that basic mathematical skills arecritical or very important to their job has increased since August2003.

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