Answer:
The margin of error for the 95% confidence interval used to estimate the population proportion is of 0.0209.
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 
.
The margin of error is of:
In a clinical test with 2161 subjects, 1214 showed improvement from the treatment.
This means that 
95% confidence level
So 
, z is the value of Z that has a p-value of 
, so 
.
Margin of error:
The margin of error for the 95% confidence interval used to estimate the population proportion is of 0.0209.
Answer: A. infinite solutions
B. no solution
C. one solution
Step-by-step explanation:
A. firstly we distribute: -2x-6=-2x-6
since they are the same it is infinite solutions.
B. firstly we distribute: 4x-4=1/2x-4
=2x=0
x=0
C. 3x-7=10+4x
x=17
Answer:
5:3
Step-by-step explanation:
The ratio is 5 to 3
chocolate being 5 and oatmeal being 3
The value of x is 3 given that ST = 8x + 11 and TU = 12x-1
The point that bisects a line divides the line into two equal parts
If T is the midpoint of SU, the following are true:
Given the following
ST = 8x + 11
TU = 12x-1
Since ST = TU
8x+11 = 12x-1
8x - 12x = -1 - 11
-4x = -12
x = 12/4
x = 3
Hence the value of x is 3 given that ST = 8x + 11 and TU = 12x-1
Learn more here: brainly.com/question/17204733
