Answer:
I think the third one. 
Step-by-step explanation:
 
        
             
        
        
        
Answer:-23
Step-by-step explanation:
 
        
             
        
        
        
Answer: 0.0187
Step-by-step explanation:
The binomial distribution formula for probability :-
 , where P(x) is the probability of getting success in x trials , n is the total number of trials and p is the probability of getting success in each trial.
, where P(x) is the probability of getting success in x trials , n is the total number of trials and p is the probability of getting success in each trial.
Given : The probability that the physics majors belong to ethnic minorities =0.33
Number of students selected : n= 8
Now, the probability that more than 5 belong to an ethnic minority :-

Hence, the probability that more than 5 belong to an ethnic minority = 0.0187
 
        
             
        
        
        
Find A <span>if B is between A and C.
</span><span>A.B,and C are collinear so A, B and C are line up in a line</span>
AC = AB + BC
AB=5x-19,and BC= 3x+4 given; 
So
AC = 5x-19 + 3x+4
Simplify
AC = 8x -15
 
        
        
        
Answer:
253.89 pounds
Step-by-step explanation:
$1 = 0.74 pounds
345 * 0.74 = 253.89
$345 = 253.89 pounds