Answer: The z-score = 2.46
Step-by-step explanation:
Given: sample size : n= 10
Population mean : 
population standard deviation : 
Sample mean : 
Formula to calculate z :

Substitute all values, we get

Hence, the z-score = 2.46
The concept of reality and a false one = none
Answer:
NO
Step-by-step explanation:
Solve for a by simplifying both sides of the equation, then isolating the variable.
a = 1