Answer:
3.8
Step-by-step explanation:
3 8/10 can be written as 3.xx because all we have to do is 8 divided by 10 which equals .8 so 3+.8=3.8
 
        
             
        
        
        
Answer:
I'm pretty sure he or she are right^^
Step-by-step explanation:
I Know
 
        
             
        
        
        
we have the data set
3,1,7,0,4
step 1
Find out the sample mean
sample mean=(3+1+7+0+4)/5
sample mean=15/5
sa,ple mean=3
step 2
Complete the table
x (x-mean) (x-mean)^2 x^2
3 (3-3) (3-3)^2 0
1 (1-3) (1-3)^2 4
7 (7-3) (7-3)^2 16
0 (0-3) (0-3)^2 9
4 (4-3) (4-3)^2 1
--------------------------------------------------------------------------
15 30
Find out the standard deviation of the sample
SD=√(30/n-1)
SD=√(30/5-1)
SD=2.74
 
        
             
        
        
        
Batting average= hits/bats
280 or more= hits/522
Hits = 522• 280 = 146,160 or more
        
             
        
        
        
Answer: It should be 144 in total
Step-by-step explanation:
I did the math