What is the solution to this equation? (1/4)x+1 =32 A. -7/2 B. -2 C. 3/2 D. 2
1 answer:
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Answer:
The 99% confidence interval for the proportion of readers who would like more coverage of local news is (0.3685, 0.4315).
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of , and a confidence level of
, we have the following confidence interval of proportions.
In which
z is the zscore that has a pvalue of .
For this problem, we have that:
99% confidence level
So , z is the value of Z that has a pvalue of
, so
.
The lower limit of this interval is:
The upper limit of this interval is:
The 99% confidence interval for the proportion of readers who would like more coverage of local news is (0.3685, 0.4315).
If perimeter is 60 so the side is 60 ÷ 3 = 20
Now we can apply the area formula for triangles;
Now we can apply the area formula for triangles;