+0  
 
0
162
1
avatar

A history class is comprised of 7 female and 5 male students. If the instructor of the class randomly chooses 5 students from the class for an oral exam, what is the probability that 2 female students and 3 male students will be selected? Round your answer to 3 decimal places.

 

Thank you so much!

 Dec 21, 2021
 #1
avatar+23186 
+1

The number of ways that 2 female students can be chosen from 7 female students is:  7C2   

 

The number of ways that 3 male students can be chosen from 5 males students is:  5C3   

 

The number of ways that 2 female students can be chosen from 7 females students and 3 male students

can be chosen from 5 male students is:  7C2  x  5C3   

 

The number of ways that 5 students can be chosen from 12 students is:  12C5  

 

The probability will be:  7C2  x  5C3  / 12C5  

 Dec 22, 2021

9 Online Users

avatar