Answer:
1/3
Step-by-step explanation:
Probability of solving ten problems by Carl
Given 
Total number of problems = 20
Number of problems studied by Carl = 15
Number of problems out of the 20 set of problem coming in test is 10
Case I - All ten problems come from the set of known 15 question
10/15 * 10/20 = 1/3
 
        
             
        
        
        
Step-by-step explanation:
hi you smell bad lol I'm just kidding so wipe that look off your face dont take offence km just playing with you I have a crush on you I'm just kidding lol dont be so serious 
 
        
             
        
        
        
1st option, <
sqroot of 7 is 2.6, 14/5 is 2.8.
2.8 is bigger than 2.6
 
        
             
        
        
        
Answer:
C
Step-by-step explanation: