Answer: A. 1.2
Step-by-step explanation:
Given : Sample size : n= 64
Standard deviation:
The formula to find the standard error of mean is given by :-
Therefore, the standard error of the mean= 1.2
Hence, A is the right option.
A pool player located at x wants to shoot the white ball off the top cushion and hit the red ball dead center. he knows from phy
sics that the white ball will come off a cushion at the same angle as it hits a cushion. where on the top cushion should he hit the white ball?
1 answer:
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Answer: v=-18/5
Step-by-step explanation:
Assuming you want to solve for v, we need to use our algebraic properties.
[subtract both sides by 2]
[multiply both sides by 3]
Now, we know that v=-18/5.