(Solved by Humans)-A sample of 900 computer chips revealed that 76% of the chips do
Question
A sample of
900 computer chips revealed that
76% of the chips do not fail in the first
1000 hours of their use. The company's promotional literature states that
78% of the chips do not fail in the first
1000 hours of their use. The quality control manager wants to test the claim that the actual percentage that do not fail is different from the stated percentage. Find the value of the test statistic. Round your answer to two decimal places.
Z Test for Differences in Two Proportions
Data
Hypothesized Difference
Level of Significance
Group 1
Number of Items of Interest
Sample Size
Group 2
Number of Items of Interest
Sample Size...
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