Answer:
29.27% probability that it takes Ariana between 58 and 70 seconds to do a math problem
Step-by-step explanation:
An uniform probability is a case of probability in which each outcome is equally as likely.
For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.
The probability that we find a value X between c and d, d being greater than c, is given by the following formula:

Uniformly distributed between 38 seconds and 79 seconds.
This means that 
What is the probability that it takes Ariana between 58 and 70 seconds to do a math problem


29.27% probability that it takes Ariana between 58 and 70 seconds to do a math problem
 
        
             
        
        
        
Answer:
what
Step-by-step explanation:
 
        
             
        
        
        
Answer:
45 divided by 9 equals 5
Step-by-step explanation:
 
        
                    
             
        
        
        
(18.6 + 9.4) x 1/2^2= 7 hope it helps!
        
             
        
        
            
            
                What is the lower quartile, Q1, of the following data set? 48, 43, 34, 59, 62, 75, 30, 71, 37, 66, 53, 21, 40, 56, 25 
                Stolb23 [73]             
         
        
I believe the answer is 34. I plugged the values into the STAT button on my graphing calculator and went into 1-Var Stats.