You choose thirty students out of a college with 5,357 students. Females compose one-third of the thirty students. This
is an example of

This is called a sample.

In statistics, we take a random 'sample' of people so that we can estimate values for the entire population!

So, say for example you want to find out what percent of students in your school are girls. You take a sample, like this again, of 30 students, and 3/10 are girls, then you can apply it to the rest of the population.

Hope this helps!

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There are four therms.

Step-by-step explanation:

To answer this question we have to understand what a term is.

A term is a single number, variable or multiplication of both. Terms are separated by the addition signs (+) or subtraction signs (-).

So, in this case: 2n + 5 – 3p + 4n

In this expression there are four terms: 2n, 5, 3, and 4n .

Feel free to ask for more if it´s necessary or if you did not understand something.