Answer:
reciprocal of 1 is 1 and 1/9 is 9.
Answer:
The value of the test statistic is 
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 value tested at the null hypothesis,
is the standard deviation and n is the size of the sample.
In this problem, we have that:

Then



The value of the test statistic is 
Answer:
The correct answer would be chart A.
Step-by-step explanation:
Answer: yo no Abbas
Step-by-step explanation: