Zachary is buying 4 tires for his car. The table shows the prices and the advertised sales for the same type of tire at 4 tire s
tores.
Based on the advertised sales, at which store will Zachary get the lowest price on 4 tires?
Based on the advertised sales, at which store will Zachary get the lowest price on 4 tires?
1 answer:
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Answer:
Option B) Reject null hypothesis
Step-by-step explanation:
We are given the following in the question:
We are given the null hypothesis:
Two tailed z-test
Now,
Since,
The calculated z-statistic does not lie in the acceptance region, we fail to accept and reject the null hypothesis.
Left-tailed z-test
Now,
Since,
We fail to accept and reject the null hypothesis.
Right-tailed z-test
Now,
Since,
We fail to accept and reject the null hypothesis.