Answer:
z = 60
Step-by-step explanation:
100+20+z=180
120+z=180
z=60
Answer:
The margin of error (E) 
Step-by-step explanation:
Given,
mean 
standard deviation 
sample size 

Critical value


Critical value 


The margin of error (E) 


Hence, The margin of error (E) 
Complete question is attached in below.
Answer:
please one times search answer in search engines ok
Answer:
2h 5min
Step-by-step explanation:
1 class: 25 min
5 classes: 25 x 5 = 125 min = 2h 5min
Amy: 12 or 30
Sue: 0.34
Kit: 9/21
Kit is the better hitter.
Hope this helps :^)