Answer:
4 sisters
Step-by-step explanation:
-This is a logic question.
-Given that she has 3 sisters, it only means that the 4 are siblings of the same family.
-As such, eaxh sister can correctly claim to have 3 sisters.
Hence, there is a total of 4 sisters.
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.
I hope this helps you
Area =(34+16).11/2
25.11
Area =275
Answer:
Solution is in the following attachment.
Step-by-step explanation: