Answer:
The value is 
Step-by-step explanation:
From the question we are told that
The sample size is n = 20
The sample mean is 
The standard deviation is 
Generally the standard error of the mean is mathematically represented as

=> 
=> 
Answer:
Option B False
Step-by-step explanation:
we know that
The <u>Cavalieri's principle</u> states that if two or more figures have the same cross-sectional area at every level and the same height, then the figures have the same volume
therefore
The cross-sectional area at every level must be the same
so
The statement is False
Answer:
50 - 11 = 39
39 states do not border Canada
11 to 39
It’s 36 I looked it up and I did this before have a good day anything else?