A parabola is the set of all points that ?
2 answers:
Answer:
A parabola is the set of all points in the plane equidistant from a given line and a given point not on the line.
A parabola is the set of all points in the plane equidistant from directrix and focus.
Step-by-step explanation:
A parabola is the set of all points in the plane equidistant from a given line and a given point not on the line.
The line is called directrix and the point is called focus.
So a parabola is the set of all points in the plane equidistant from directrix and focus.
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A strategy which would produce a new confidence interval with an <u>increased</u> margin of error is to: A. use a 98% confidence level.
<h3>What is a confidence interval?</h3>A confidence interval simply refers to a range of estimated values which defines the probability that a population parameter will lie within it.
<h3>How to calculate the margin of error?</h3>Mathematically, a margin of error is calculated by using this formula:
From the above formula, we can deduce that the margin of error is directly proportional to the critical value and inversely proportional to the square root of sample size.
This ultimately implies that, increasing the confidence level from 95% to 98% would <u>increase</u> the critical value and by extension the margin of error and vice-versa.
Read more on confidence interval here: brainly.com/question/25779324
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