The vertex of the equation is ( -2 , -2 )
The axis of symmetry is x= - 2
Answer:
that box means the angle is 90 degrees.
Step-by-step explanation:
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T,A,Y are 40 and 2T,X,B,Z are 80
Answer with explanation:
A x% confidence interval interprets the percentage of certainty that a person can believe that the true population parameter.
It is also represented as Point estimate ± Margin of error
Confidence level is proportional to the Margin of error.
- As confidence level increases the error bound increases that makes the confidence interval broader.
- As confidence level decreases the error bound decreases , making the confidence interval narrower.
