The histogram shows the hours per week that each person in a class watches television.a. How many students are in the class? studentsa. What is the relative frequency of students who watch 1 to 3 hours of TV? b. What is the relative frequency of students who watch 4 or more hours of TV?

The histogram shows the hours per week that each person in a class watches televisiona How many students are in the class studentsa What is the relative frequen class=

Respuesta :

a. How many students are in the class?

2+10+7+2=21 students

b. What is the relative frequency of students who watch 1 to 3 hours of TV?

[tex]\frac{2}{21}=0.09523[/tex]

c. What is the relative frequency of students who watch 4 or more hours of TV?

[tex]\frac{10+7+2}{21}=\frac{19}{21}=0.90476[/tex]