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If the alternative hypothesis is, H 1 : mu less than 16, with an alpha of 5%, it happens that: a. The hypothesis test is
If the alternative hypothesis is, H 1 : mu less than 16, with an alpha of 5%, it happens that:
a. The hypothesis test is that a tail on the left has a rejection zone only on the left tail.
b. A right tail test has a rejection zone on the right tail only.
c. It is a two-tail test, it has a rejection zone in both tails.
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