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Finding the value of test statistic using one-sample proportion testing.

Use the following information for the below questions. At the .05 level, test the claim that the proportion of defects for CD burners is 0.3. A sample of 200 randomly selected CD burners had 57 defects.

List the null and alternate hypotheses.

Find the critical value

Find the test statistic. Does the evidence support the claim?

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