Answer: Hello there, the sample will be biased, because she only asked to a group of people ( in this case the basketball team)
If you want a random sample, you need to ask people at random, and avoid asking in groups (like sports teams, classmates and groups of friends), for example, a way of doing this is ask at every third student that she sees passing throw the door of the school.
Calculate out how many times the denominator goes into the numerator. To do that, divide 234 by 8 and keep only what is to the left of the decimal point:
