GM 533 TCO (PC Manufacturer)in Business (Education) by jacob
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GM 533 - TCO (PC Manufacturer)
(TCO D) A PC manufacturer claims that no more than 2% of their machines are defective. In a random sample of 100 machines, it is found that 4.5% are defective. The manufacturer claims this is a fluke of the sample. At a .02 level of significance, test the manufacture's claim, and explain your answer.
Hypothesis test for proportion vs. hypothesized value
p (as decimal)
p (as fraction)
p-value (one-tailed, upper)
Ho: p (null)
Ha: p (alternative)
Decision rule and test type:
Right tailed test (alternative is sign)
Critical value z_()
Reject the null if the test statistic exceeds .
Standard error ...