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.
Susan bought two toys. One toy is $6.50 more than the other. The two toys cost $86.50 together. Write an equations and let x = t
1 answer:
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Y=2-x^2
Vertex ( 0, 2 )
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Vertex ( 0, 2 )
Focus : ( 0, 7/4 )
Axis of symmetry : x = 0
Directrix : y = 9/4
