The marginal relative frequency of boys and girls who want to be a teacher is 32 %. The joint relative frequency of girls who want to be an athlete is 25.4%. The conditional relative frequency of students that selected doctor, given that those students are boys is 51.85 %.
according to the question, the table given is
     Teacher - Doctor - Athete
boys     24       28     56           Total boys = 108
girls      45       31      26          Total girls = 102
What is average?
Average of the values is the ratio of total sum of values to the number of values.
Conditions
1) for boys and girls whom opt for teacher,
  [tex]=\frac{69}{210} \\[/tex]
= Â Â 32%
2) for the girls who opt for athlete relative to girls,
  [tex]=\frac{26}{102}[/tex]
 =   25.4%
3) for the boys whom opt for doctors in boys
 =  [tex]\frac{28}{108}[/tex]
 =  25.9%
Thus, The required values of conditions 1,2,3 is  32%, 25.4%, 25.9% respectively
Learn more about average here:
https://brainly.com/question/24057012
#SPJ1
