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A company claims that the average number of complaints filed against them is at most 40 a month. To test this claim against the alternative
A company claims that the average number of complaints filed against them is at most 40 a month. To test this claim against the alternative that the actual average number of complaints is greater than 40 a month, a random sample of complaint files over the past several months was taken. Suppose the test statistic calculated was Z = 1.326. Can we conclude that should be rejected at the a = 0.05 level
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