A plane cuts through a cone perpendicular to the base of the cone. What shape is formed by this intersection? A) circle B) ellip
se C) hyperbola D) parabola
2 answers:
Answer:
It is given that , plane cuts through a cone perpendicular to the base of the cone.
Image is Attached Below.
When a plane cuts a cone perpendicular to the base, as the base of cone is in the shape of circle ,and a Perpendicular cone cuts it,the shape is in the form of two half circles which we can call Parabola.
Option D
Parabola
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Answer:
The reasonable range for the population mean is (61%, 75%).
Step-by-step explanation:
The interval estimate of a population parameter is an interval of values that consist of the values within which the true value of the parameter lies with a certain probability.
The mean of the sampling distribution of sample proportion is, .
One of the best interval estimate of population proportion is the 95% confidence interval for proportion,
Given:
n = 150
= 0.68
The critical value of <em>z</em> for 95% confidence level is:
Compute the 95% confidence interval for proportion as follows:
Thus, the reasonable range for the population mean is (61%, 75%).