Jen spent $12 on school supplies. Percy spent 3 times as much on school supplies, and also bought a reusable water bottle for $6
1 answer:
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Answer:
The answer to the question provided is .
.
Step-by-step explanation:
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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.