Answer:
I think $21 or $7.88
Step-by-step explanation:
check it again and there you go
Answer:
The angles that are congruent due to being vertical angles are:
m∠2 and m∠4
m∠1 and m∠3
m∠8 and m∠6
m∠5 and m∠7
11 feet 121 PI square feet
6 feet 36 PI square feet
Answer:
This means that the first interval, with 9000 viewers, is 3 times as narrower as the second interval, with 1000 viewers.
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 .
The width of the interval is:
In this sample:
Two 90% intervals, with different lenghts. So both have the same values for z an
Interval A:
9000 viewers.
So the width is
Interval B:
100 viewers
So the width is
Relationship between the widths:
This means that the first interval, with 9000 viewers, is 3 times as narrower as the second interval, with 1000 viewers.
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