+0  
 
0
919
1
avatar

A college calculus class consists of 22 females and 18 males. There are 10 biology majors, 18 mathematics majors, and 12 computer science majors. If a student is chosen at random, what is the probability that the student is a female? (Enter your probability as a fraction.) 
 

=______________

What is the probability that the student is a mathematics major? (Enter your probability as a fraction.) 

 

=__________________

 Sep 30, 2018
 #1
avatar+6248 
+1

\(P[\text{random student is female}] = \dfrac{22}{22+18} = \dfrac{22}{40}=\dfrac{11}{20}\)

 

\(P[\text{random student is Mathematics major}] = \dfrac{18}{40} = \dfrac{9}{20}\)

.
 Oct 1, 2018

1 Online Users