Teacher
Doctor
Athlete
Boys
24
28
56
Girls
45
31
26
The marginal relative frequency of boys and girls who want to be a teacher is
%6.
The jolnt relative frequency of girls who want to be an athlete is
96.
The conditional relative frequency of students that selected doctor, given that those students are boys is
96.
Atoss of a 20-sided die is equally likely to be any integer between 1 and 20 inclusive. what is the variance? provide your answer to two decimal points.