Please give me the correct answer
1 answer:
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Answer:
1.97
Step-by-step explanation:
The null hypothesis is:
The alternate hypotesis is:
Our test statistic is:
In which X is the sample mean, is the hypothesis tested(null hypothesis),
is the standard deviation and n is the size of the sample.
In this problem, we have that:
So
Answer:
Here is how it should be graphed.
Here is how it should be graphed.