The size of the sample is 20C_5 or 15504 if the five kids is randomly chosen from a class of 20 students. An outcome of the selection process is the set of five kids selected.
<h3>What is permutation and combination?</h3>
A permutation can be defined as the number of ways a set can be arranged, order matters but in combination the order does not matter.
We have total number of students in a class = 20
An outcome of the selection process is the set of five kids selected.
A team of 5 kids choosen from a class of 20 students in 
So the size of samples = = 15504
Thus, the size of the sample is 20C_5 or 15504 if the five kids is randomly chosen from a class of 20 students. An outcome of the selection process is the set of five kids selected.
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A factory worker is one who works in the factory and usually operates the machines to complete a task so that a production can be made.
Most times though, these factory workers face some <em>work hazards </em>which can include( but not limited to):
- Work related injuries
- Work related Stress
- Possible loss of life due to machine malfunction, etc.
With all these in mind, we can see that it is important that workers get some form of protection at work so that they would not face these work related dangers and in the event that they do face them, they would get adequate compensation.
Please note that your question is incomplete so I gave you a general overview to help you better understand the concept.
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I'm thinking either a part-time job, or a secure business loan, or a diploma for good grades so the college can fund you for your education.
Hope I helped!
