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
Multiplication, addition, subtraction
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I think you just put 20 in the blank in order for it to equal
False.
If (x+1) is a factor of the polynomial, the polynomial must be divisible by (x+1).
In other words, when you divide the polynomial by (x+1), the remainder should be 0.
In this case, however, the remainder is 24.