Question: A manufacturer advertises that at most 1% of all his products do not meet the minimum government standards. To monitor how he is doing, this manufacturer plans to test the claim that more than 1% of his products do not meet minimum standards. A survey of 500 products revealed ten did not meet the standard. This time let α = 0.01.

1. . What is the null and alternative hypotheses for this study?
2. What is the critical z—value for this test?
3. What is the z-value based on the sample?
4. What is your decision about the manufacturer’s claim on this study? Do more than 1% of all of the manufacturer’s products not meet with minimum government standards?

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