13. A sprinkler system can shoot water at a distance of 15 yards. It is set up to rotate
1 answer:
You might be interested in
The value of the <em>shaded</em> area is approximately 34.907 square centimeters.
<h3>How to calculate the area between a rhombus and a circle</h3>
According to the description in statement we prepared a representation of the figure in the image attached below. The <em>shaded</em> area is equal to the area of the <em>circle</em> sector (), in square centimeters:
(1)
Where:
- Length of the radius, in centimeters.
- Angle of circle arc, in degrees.
If we know that and
, then the area of the circle is:
The value of the <em>shaded</em> area is approximately 34.907 square centimeters.
To learn more on areas, we kindly invite to check this verified question: brainly.com/question/16151549
Answer: d. 1.3333
Step-by-step explanation:
We know that the standard error of a sampling distribution is given by :-
, where = Population standard deviation.
n= Sample size.
AS per given , we have
n=81
Then, the standard error of a sampling distribution with a population standard deviation of 12 and the sample size of 81 will be :-
Hence, the standard error of a sampling distribution with a population standard deviation of 12 and the sample size of 81 is 1.3333.
Thus the correct answer is d. 1.3333 .