Isaiah walks 3 miles due north, turns and then 5 miles due east. How far is he from his starting point?
5.8
A 10-foot ladder is leaning against a wall. The base of the ladder is 2 feet from the base of the building. How far up the building does the ladder fall?
9.8
A television is measured by its diagonal. If the height of a 70 inch television is 42 inches, what is the width?
56
An equilateral triangle has a side length of 6. What is the height of the triangle?
5.2
A right triangle has a height of 12 and a width of 5. How long is the diagonal?
13
A string is tied to the top of a plant to keep it stabilized. The plant is 5 feet tall and the string is connected to the ground 2 feet from the base of the plant. How long is the string?
5.4
Answer:
23.5
Step-by-step explanation:
Answer:
B.(12,5)
Step-by-step explanation:
Hope this helps :)
Answer:
The 95% confidence interval for the proportion of students who get coaching on the SAT is (0.1232, 0.147).
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 z-score that has a p-value of 
.
427 had paid for coaching courses and the remaining 2733 had not.
This means that 
95% confidence level
So 
, z is the value of Z that has a p-value of 
, so 
.
The lower limit of this interval is:
The upper limit of this interval is:
The 95% confidence interval for the proportion of students who get coaching on the SAT is (0.1232, 0.147).
