a picture on the wall in Germany's classroom has 4 right angles 4 sides of equal length and 2 pairs of opposite sides that are p
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Answer:
We are given:
Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed.
Since the alternative hypothesis has less than sign, therefore the given hypothesis is left-tailed
What parameter is being tested?
The parameter used is , which denotes the population mean.
Please note:
The type is test determined based on the alternative hypothesis.
If the alternative hypothesis has sign, it means the hypothesis test is two-tailed
If the alternative hypothesis has sign, it means the hypothesis test is right-tailed
If the alternative hypothesis has sign, it means the hypothesis test is left-tailed