If we read the complete exercise, we can understand that the correct answer is 9 students.
This is a math related exercise.
If we take into consideration that Sean is the 5th highest in the class, it means that there are four more people before him.
However, he is also the 5th lowest mark in the class, so it means that there are four more people below him.
If we also count Sean, there are:
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There are several number of safety measures can be used to protect yourself:
- Identify the hazards and dangers that may cause injury
- If there are floor holes watch out for them you can use floor holes cover or toe cover
- Safety harness and hand rails can also be used
- Safety nets can be installed under a walking/working surface
B) because the more undevelopped our community is the less our rights are reserved
To solve this problem, first we have to determine the z statistic. The formula is

where x is the test point which is 8.019, the mean is 8 mph, s is the standard deviation which is 3.813 and n is the number of data which is 1114. Then,

Next, we find the p-value for the particular z. p-value is used in hypothetical test. Using a wind turbine would be the null hypothesis. From the standard normal table found in any statistics book, the p-value for z<0.17 is 0.5675. If the p-value is greater than 0.05, then you do not reject the null hypothesis.
Therefore, the landowner could use a small turbine at the site.