Sketch the region enclosed by the lines X=0, X=6, Y=2, and Y=6.
2 answers:
Step-by-step explanation:
Since we have given that
x=0, x x= 6 and
y = 2 and y = 6.
So, we know that x = 0 that means it shows y-axis.
x = 6 means line parallel to y -axis at 6 units in the positive side of x-axis.
y = 2 means line parallel to x-axis at 2 units in the positive side of y -axis.
y = 6 means line parallel to x-axis at 6 units in the positive side of y-axis.
So, the region enclosed by the above lines shown in the figure below:
Here, say A (0,6) , say B(6,6) , say C(0,2) and say D(6,2).
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Using the z-distribution, as we are working with a proportion, it is found that the 99% confidence interval for the proportion of all U. S. Adults who would include the 9/11 attacks on their list of 10 historic events is (0.7458, 0.7942). It means that we are 99% sure that the true proportion for all U.S. adults is between these two bounds.
<h3>What is a confidence interval of proportions?</h3>A confidence interval of proportions is given by:
In which:
is the sample proportion.
- z is the critical value.
- n is the sample size.
In this problem, the parameters are:
The lower limit of this interval is:
The upper limit of this interval is:
The 99% confidence interval for the proportion of all U. S. Adults who would include the 9/11 attacks on their list of 10 historic events is (0.7458, 0.7942). It means that we are 99% sure that the true proportion for all U.S. adults is between these two bounds.
More can be learned about the z-distribution at brainly.com/question/25890103