In a class, 20 people live on campus and 4 people live off-campus. If we were to draw one student's name from a hat, what is the
2 answers:
Firsrt, find the total number of people that you can draw overall. To do this, add the number of people on campus and the number of people off campus to get 24 people overall. This will be your denominator. Then, the numerator is the number of the group of people that the question is asking for. In this case, it would be the 4 people off campus. Finally, put in the values to get that the probability is
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Answer:
5 classes.
Step-by-step explanation:
You can use the rule to determine the number of classes for a frequency distribution.
The rule says that
where
is the number of classes
is the number of the data points
We know that the number of data points is = 20.
Next, we start searching for so that we can get a number 2 to the
that is larger that the number of data points.
This suggests that you should use 5 classes.