Answer:
The mean is 180.
The standard error is 0.286.
Step-by-step explanation:
This question can be solved using the central limit theorem.
The Central Limit Theorem estabilishes that, for a random variable X, with mean 
and standard deviation 
, a large sample size can be approximated to a normal distribution with mean and standard deviation 
.
In this problem, we have that:
The mean of the distribution of the sample means is the same as the mean of the population. This means that the mean is 180.
The standard deviation of the population is the square root of the population variance. So 
.
The standard deviation of the sampling distribution of the sample mean is 
.
The standard error of the sampling distribution of the sample mean is 
Answer:
To solve linear equations we will make heavy use of the following facts. If a=b then a+c=b+c a + c = b + c for any c .
...
Process for Solving Linear Equations
1- If the equation contains any fractions use the least common denominator to clear the fractions. ...
2- Simplify both sides of the equation.
Answer:
The answer is d.
Step-by-step explanation:
I had this question on a test and saw the actual picture of each graph, the last graph is the only one that has a straight line from the origin to 52:8 which is the easiest way to know if a graph is proportional.
<em>Hope this helps :)</em>
The equation 4x + 12 = -2x + 16 is one solution.
<h3>What is equation?</h3>
A statement of equality between two expressions consisting of variables and/or numbers.
Given:
4x + 12 = -2x + 16
Now solving for x
4x + 2x = 16 - 12
6x = 4
x= 4/6
x=2/3
Hence, the equation 4x + 12 = -2x + 16 has one solution.
Learn more about equation here:
brainly.com/question/16255566
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