Answer:
The test statistic is 
Step-by-step explanation:
We are interested in determining whether or not the proportion of the student who experience anxiety during the exam is significantly more than 80%.
At the null hypothesis, we test if the proportion is 80%, that is:

At the alternate hypothesis, we test if the proportion is more than 80%, that is:

The 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.
80% is tested at the null hypothesis:
This means that 
A random sample of 100 students was taken. Eighty-five of the student in the sample experienced anxiety during the exam.
This means that 
The test statistic is



The test statistic is 
Answer:
there is no question I'm sorry but I will take brainlyist
Answer:
93.15
Step-by-step explanation:
Multiply 230.00 dollars and 0.55 = 126.50
Subtract 230.00 dollars and 126.50 = 103.50
Multiply 103.50 and 0.10 = 10.35
Subtract 103.50 and 10.35 = 93.15
Answer:
I'm not quite sure, but I think 3. v= 5 × 32 × 10
and the rest I'm not sure.