If the null hypothesis is µ ≥ 200, then a two-tail test is being conducted.
Question
If the null hypothesis is µ ≥ 200, then a two-tail test is being conducted.
Solution
No, the statement is incorrect. If the null hypothesis is µ ≥ 200, then a one-tail test is being conducted, not a two-tail test. A one-tail test is used when the research or experiment is only looking for an outcome that will be greater than or less than a certain number, but not both. In this case, the null hypothesis is testing whether the mean is greater than or equal to 200, so it's a one-tail test. A two-tail test would be used if we were looking for an outcome that could be either greater than or less than a certain number.
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