The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. What parameter is being tested?.

A null hypothesis predicts no effect between variables while an alternative hypothesis predict an effect or relationship between variables of the study.

What is the given hypothesis test?

In the question, the given hypothesis test includes "H0: σ=110" and "H1: σ<110"

Hence, based on the test above, the hypothesis test is a Left-tailed test and the parameter being tested is known as a Population mean.

The null and alternative hypotheses are given. Determine whether the hypothesis test is​ left-tailed, right-tailed, or​ two-tailed. What parameter is being​ tested?.

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What is a null and alternative hypotheses?

What is the given hypothesis test?

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The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. What parameter is being tested?.