The Number of Classes data set posted in our StatCrunch Grou

The \"Number of Classes\" data set posted in our StatCrunch Group provides the number of classes a group of randomly selected STAT 250 students are taking this semester. Using the variable named \"Number of Classes\", create a dotplot of this information. Describe the distribution in context of the data set. Calculate the percentage of students taking either 4 or 5 classes this semester?

Solution

b)The percentage of students taking either 4 or 5 classes are:

P(4)+P(5) (The two events are mutually exclusive)

=8/137+14/137

=0.16