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Of 346 Items Tested,12 Are Found to Be Defective

Question 42

Multiple Choice

Of 346 items tested,12 are found to be defective.Construct a 98% confidence interval for the percentage of all such items that are defective.

A) (1.18%,5.76%)
B) (0.93%,6.00%)
C) (3.34%,3.59%)
D) (1.85%,5.09%)
E) (0.13%,6.80%)

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